Home / 125,375.91-186,760.78-118,585.14

Finding the Fourth Proportional to 125,375.91, 186,760.78 and 118,585.14

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Solution

The fourth proportional to 125,375.91, 186,760.78 and 118,585.14 is: 176,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,375.91 : 186,760.78 = 118,585.14 : x
  2. Step 2: Convert to fraction form
    125,375.91/186,760.78 = 118,585.14/x
  3. Step 3: Cross multiply
    125,375.91x = 186,760.78 × 118,585.14
  4. Step 4: Simplify right side
    125,375.91x = 22,147,052,946.35
  5. Step 5: Solve for x
    x = 22,147,052,946.35/125,375.91
  6. Step 6: Final answer
    x = 176,645.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.