Home / 205,436.86-283,590.17-124,890.11

Finding the Fourth Proportional to 205,436.86, 283,590.17 and 124,890.11

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Solution

The fourth proportional to 205,436.86, 283,590.17 and 124,890.11 is: 172,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,436.86 : 283,590.17 = 124,890.11 : x
  2. Step 2: Convert to fraction form
    205,436.86/283,590.17 = 124,890.11/x
  3. Step 3: Cross multiply
    205,436.86x = 283,590.17 × 124,890.11
  4. Step 4: Simplify right side
    205,436.86x = 35,417,607,526.22
  5. Step 5: Solve for x
    x = 35,417,607,526.22/205,436.86
  6. Step 6: Final answer
    x = 172,401.43

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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.