Home / 127,446.44-191,157.28-38,700.72

Finding the Fourth Proportional to 127,446.44, 191,157.28 and 38,700.72

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Solution

The fourth proportional to 127,446.44, 191,157.28 and 38,700.72 is: 58,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,446.44 : 191,157.28 = 38,700.72 : x
  2. Step 2: Convert to fraction form
    127,446.44/191,157.28 = 38,700.72/x
  3. Step 3: Cross multiply
    127,446.44x = 191,157.28 × 38,700.72
  4. Step 4: Simplify right side
    127,446.44x = 7,397,924,369.24
  5. Step 5: Solve for x
    x = 7,397,924,369.24/127,446.44
  6. Step 6: Final answer
    x = 58,047.32

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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.