Home / 318,127.47-439,024.28-174,891.12

Finding the Fourth Proportional to 318,127.47, 439,024.28 and 174,891.12

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Solution

The fourth proportional to 318,127.47, 439,024.28 and 174,891.12 is: 241,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,127.47 : 439,024.28 = 174,891.12 : x
  2. Step 2: Convert to fraction form
    318,127.47/439,024.28 = 174,891.12/x
  3. Step 3: Cross multiply
    318,127.47x = 439,024.28 × 174,891.12
  4. Step 4: Simplify right side
    318,127.47x = 76,781,448,036.39
  5. Step 5: Solve for x
    x = 76,781,448,036.39/318,127.47
  6. Step 6: Final answer
    x = 241,354.35

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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.