Home / 196,009.40-293,711.70-145,854.20

Finding the Fourth Proportional to 196,009.40, 293,711.70 and 145,854.20

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Solution

The fourth proportional to 196,009.40, 293,711.70 and 145,854.20 is: 218,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,009.40 : 293,711.70 = 145,854.20 : x
  2. Step 2: Convert to fraction form
    196,009.40/293,711.70 = 145,854.20/x
  3. Step 3: Cross multiply
    196,009.40x = 293,711.70 × 145,854.20
  4. Step 4: Simplify right side
    196,009.40x = 42,839,085,034.14
  5. Step 5: Solve for x
    x = 42,839,085,034.14/196,009.40
  6. Step 6: Final answer
    x = 218,556.28

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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.