Home / 135,308.39-186,572.75-101,207.61

Finding the Fourth Proportional to 135,308.39, 186,572.75 and 101,207.61

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Solution

The fourth proportional to 135,308.39, 186,572.75 and 101,207.61 is: 139,552.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,308.39 : 186,572.75 = 101,207.61 : x
  2. Step 2: Convert to fraction form
    135,308.39/186,572.75 = 101,207.61/x
  3. Step 3: Cross multiply
    135,308.39x = 186,572.75 × 101,207.61
  4. Step 4: Simplify right side
    135,308.39x = 18,882,581,612.59
  5. Step 5: Solve for x
    x = 18,882,581,612.59/135,308.39
  6. Step 6: Final answer
    x = 139,552.19

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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.