Home / 142,350.88-196,444.15-85,773.19

Finding the Fourth Proportional to 142,350.88, 196,444.15 and 85,773.19

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Solution

The fourth proportional to 142,350.88, 196,444.15 and 85,773.19 is: 118,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,350.88 : 196,444.15 = 85,773.19 : x
  2. Step 2: Convert to fraction form
    142,350.88/196,444.15 = 85,773.19/x
  3. Step 3: Cross multiply
    142,350.88x = 196,444.15 × 85,773.19
  4. Step 4: Simplify right side
    142,350.88x = 16,849,641,402.34
  5. Step 5: Solve for x
    x = 16,849,641,402.34/142,350.88
  6. Step 6: Final answer
    x = 118,366.96

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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.