Home / 171,031.40-256,547.10-152,660.60

Finding the Fourth Proportional to 171,031.40, 256,547.10 and 152,660.60

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Solution

The fourth proportional to 171,031.40, 256,547.10 and 152,660.60 is: 228,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,031.40 : 256,547.10 = 152,660.60 : x
  2. Step 2: Convert to fraction form
    171,031.40/256,547.10 = 152,660.60/x
  3. Step 3: Cross multiply
    171,031.40x = 256,547.10 × 152,660.60
  4. Step 4: Simplify right side
    171,031.40x = 39,164,634,214.26
  5. Step 5: Solve for x
    x = 39,164,634,214.26/171,031.40
  6. Step 6: Final answer
    x = 228,990.90

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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.