Home / 131,735.31-181,795.18-71,305.93

Finding the Fourth Proportional to 131,735.31, 181,795.18 and 71,305.93

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Solution

The fourth proportional to 131,735.31, 181,795.18 and 71,305.93 is: 98,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,735.31 : 181,795.18 = 71,305.93 : x
  2. Step 2: Convert to fraction form
    131,735.31/181,795.18 = 71,305.93/x
  3. Step 3: Cross multiply
    131,735.31x = 181,795.18 × 71,305.93
  4. Step 4: Simplify right side
    131,735.31x = 12,963,074,250.13
  5. Step 5: Solve for x
    x = 12,963,074,250.13/131,735.31
  6. Step 6: Final answer
    x = 98,402.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.