Home / 125,631.42-188,472.69-113,084.16

Finding the Fourth Proportional to 125,631.42, 188,472.69 and 113,084.16

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Solution

The fourth proportional to 125,631.42, 188,472.69 and 113,084.16 is: 169,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,631.42 : 188,472.69 = 113,084.16 : x
  2. Step 2: Convert to fraction form
    125,631.42/188,472.69 = 113,084.16/x
  3. Step 3: Cross multiply
    125,631.42x = 188,472.69 × 113,084.16
  4. Step 4: Simplify right side
    125,631.42x = 21,313,275,831.59
  5. Step 5: Solve for x
    x = 21,313,275,831.59/125,631.42
  6. Step 6: Final answer
    x = 169,649.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.