Home / 140,499.59-193,830.64-92,113.13

Finding the Fourth Proportional to 140,499.59, 193,830.64 and 92,113.13

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Solution

The fourth proportional to 140,499.59, 193,830.64 and 92,113.13 is: 127,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,499.59 : 193,830.64 = 92,113.13 : x
  2. Step 2: Convert to fraction form
    140,499.59/193,830.64 = 92,113.13/x
  3. Step 3: Cross multiply
    140,499.59x = 193,830.64 × 92,113.13
  4. Step 4: Simplify right side
    140,499.59x = 17,854,347,194.60
  5. Step 5: Solve for x
    x = 17,854,347,194.60/140,499.59
  6. Step 6: Final answer
    x = 127,077.58

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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.