Home / 257,217.28-354,967.68-144,044.80

Finding the Fourth Proportional to 257,217.28, 354,967.68 and 144,044.80

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Solution

The fourth proportional to 257,217.28, 354,967.68 and 144,044.80 is: 198,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,217.28 : 354,967.68 = 144,044.80 : x
  2. Step 2: Convert to fraction form
    257,217.28/354,967.68 = 144,044.80/x
  3. Step 3: Cross multiply
    257,217.28x = 354,967.68 × 144,044.80
  4. Step 4: Simplify right side
    257,217.28x = 51,131,248,472.06
  5. Step 5: Solve for x
    x = 51,131,248,472.06/257,217.28
  6. Step 6: Final answer
    x = 198,786.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.