Home / 171,648,021.20-257,472,031.80-170,055,496.40

Finding the Fourth Proportional to 171,648,021.20, 257,472,031.80 and 170,055,496.40

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Solution

The fourth proportional to 171,648,021.20, 257,472,031.80 and 170,055,496.40 is: 255,083,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,648,021.20 : 257,472,031.80 = 170,055,496.40 : x
  2. Step 2: Convert to fraction form
    171,648,021.20/257,472,031.80 = 170,055,496.40/x
  3. Step 3: Cross multiply
    171,648,021.20x = 257,472,031.80 × 170,055,496.40
  4. Step 4: Simplify right side
    171,648,021.20x = 43,784,534,176,865,592
  5. Step 5: Solve for x
    x = 43,784,534,176,865,592/171,648,021.20
  6. Step 6: Final answer
    x = 255,083,244.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.