Home / 145,341.92-217,728.56-95,269.20

Finding the Fourth Proportional to 145,341.92, 217,728.56 and 95,269.20

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Solution

The fourth proportional to 145,341.92, 217,728.56 and 95,269.20 is: 142,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,341.92 : 217,728.56 = 95,269.20 : x
  2. Step 2: Convert to fraction form
    145,341.92/217,728.56 = 95,269.20/x
  3. Step 3: Cross multiply
    145,341.92x = 217,728.56 × 95,269.20
  4. Step 4: Simplify right side
    145,341.92x = 20,742,825,728.35
  5. Step 5: Solve for x
    x = 20,742,825,728.35/145,341.92
  6. Step 6: Final answer
    x = 142,717.43

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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.