Home / 147,433.32-221,157.54-42,253.20

Finding the Fourth Proportional to 147,433.32, 221,157.54 and 42,253.20

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Solution

The fourth proportional to 147,433.32, 221,157.54 and 42,253.20 is: 63,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,433.32 : 221,157.54 = 42,253.20 : x
  2. Step 2: Convert to fraction form
    147,433.32/221,157.54 = 42,253.20/x
  3. Step 3: Cross multiply
    147,433.32x = 221,157.54 × 42,253.20
  4. Step 4: Simplify right side
    147,433.32x = 9,344,613,769.13
  5. Step 5: Solve for x
    x = 9,344,613,769.13/147,433.32
  6. Step 6: Final answer
    x = 63,381.97

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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.