Home / 140,539.61-193,890.16-89,543.23

Finding the Fourth Proportional to 140,539.61, 193,890.16 and 89,543.23

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Solution

The fourth proportional to 140,539.61, 193,890.16 and 89,543.23 is: 123,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,539.61 : 193,890.16 = 89,543.23 : x
  2. Step 2: Convert to fraction form
    140,539.61/193,890.16 = 89,543.23/x
  3. Step 3: Cross multiply
    140,539.61x = 193,890.16 × 89,543.23
  4. Step 4: Simplify right side
    140,539.61x = 17,361,551,191.62
  5. Step 5: Solve for x
    x = 17,361,551,191.62/140,539.61
  6. Step 6: Final answer
    x = 123,534.93

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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.