Home / 140,275.60-193,584.52-76,616.40

Finding the Fourth Proportional to 140,275.60, 193,584.52 and 76,616.40

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Solution

The fourth proportional to 140,275.60, 193,584.52 and 76,616.40 is: 105,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,275.60 : 193,584.52 = 76,616.40 : x
  2. Step 2: Convert to fraction form
    140,275.60/193,584.52 = 76,616.40/x
  3. Step 3: Cross multiply
    140,275.60x = 193,584.52 × 76,616.40
  4. Step 4: Simplify right side
    140,275.60x = 14,831,749,018.13
  5. Step 5: Solve for x
    x = 14,831,749,018.13/140,275.60
  6. Step 6: Final answer
    x = 105,732.92

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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.