Home / 127,895.60-191,835.24-39,142.04

Finding the Fourth Proportional to 127,895.60, 191,835.24 and 39,142.04

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Solution

The fourth proportional to 127,895.60, 191,835.24 and 39,142.04 is: 58,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,895.60 : 191,835.24 = 39,142.04 : x
  2. Step 2: Convert to fraction form
    127,895.60/191,835.24 = 39,142.04/x
  3. Step 3: Cross multiply
    127,895.60x = 191,835.24 × 39,142.04
  4. Step 4: Simplify right side
    127,895.60x = 7,508,822,637.49
  5. Step 5: Solve for x
    x = 7,508,822,637.49/127,895.60
  6. Step 6: Final answer
    x = 58,710.56

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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.