Home / 234,143.16-323,117.55-126,713.21

Finding the Fourth Proportional to 234,143.16, 323,117.55 and 126,713.21

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Solution

The fourth proportional to 234,143.16, 323,117.55 and 126,713.21 is: 174,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,143.16 : 323,117.55 = 126,713.21 : x
  2. Step 2: Convert to fraction form
    234,143.16/323,117.55 = 126,713.21/x
  3. Step 3: Cross multiply
    234,143.16x = 323,117.55 × 126,713.21
  4. Step 4: Simplify right side
    234,143.16x = 40,943,262,039.11
  5. Step 5: Solve for x
    x = 40,943,262,039.11/234,143.16
  6. Step 6: Final answer
    x = 174,864.23

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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.