Home / 191,781.15-287,246.10-124,095.55

Finding the Fourth Proportional to 191,781.15, 287,246.10 and 124,095.55

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Solution

The fourth proportional to 191,781.15, 287,246.10 and 124,095.55 is: 185,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,781.15 : 287,246.10 = 124,095.55 : x
  2. Step 2: Convert to fraction form
    191,781.15/287,246.10 = 124,095.55/x
  3. Step 3: Cross multiply
    191,781.15x = 287,246.10 × 124,095.55
  4. Step 4: Simplify right side
    191,781.15x = 35,645,962,512.10
  5. Step 5: Solve for x
    x = 35,645,962,512.10/191,781.15
  6. Step 6: Final answer
    x = 185,867.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.