Home / 118,107.01-162,988.17-75,690.15

Finding the Fourth Proportional to 118,107.01, 162,988.17 and 75,690.15

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Solution

The fourth proportional to 118,107.01, 162,988.17 and 75,690.15 is: 104,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,107.01 : 162,988.17 = 75,690.15 : x
  2. Step 2: Convert to fraction form
    118,107.01/162,988.17 = 75,690.15/x
  3. Step 3: Cross multiply
    118,107.01x = 162,988.17 × 75,690.15
  4. Step 4: Simplify right side
    118,107.01x = 12,336,599,035.53
  5. Step 5: Solve for x
    x = 12,336,599,035.53/118,107.01
  6. Step 6: Final answer
    x = 104,452.72

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1.5x scale

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.