Home / 114,156.60-157,517.70-71,685.06

Finding the Fourth Proportional to 114,156.60, 157,517.70 and 71,685.06

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Solution

The fourth proportional to 114,156.60, 157,517.70 and 71,685.06 is: 98,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,156.60 : 157,517.70 = 71,685.06 : x
  2. Step 2: Convert to fraction form
    114,156.60/157,517.70 = 71,685.06/x
  3. Step 3: Cross multiply
    114,156.60x = 157,517.70 × 71,685.06
  4. Step 4: Simplify right side
    114,156.60x = 11,291,665,775.56
  5. Step 5: Solve for x
    x = 11,291,665,775.56/114,156.60
  6. Step 6: Final answer
    x = 98,913.82

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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.