Home / 234,306.12-323,341.95-126,876.45

Finding the Fourth Proportional to 234,306.12, 323,341.95 and 126,876.45

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Solution

The fourth proportional to 234,306.12, 323,341.95 and 126,876.45 is: 175,089.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,306.12 : 323,341.95 = 126,876.45 : x
  2. Step 2: Convert to fraction form
    234,306.12/323,341.95 = 126,876.45/x
  3. Step 3: Cross multiply
    234,306.12x = 323,341.95 × 126,876.45
  4. Step 4: Simplify right side
    234,306.12x = 41,024,478,752.08
  5. Step 5: Solve for x
    x = 41,024,478,752.08/234,306.12
  6. Step 6: Final answer
    x = 175,089.23

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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.