Home / 118,026.12-162,766.62-87,885.48

Finding the Fourth Proportional to 118,026.12, 162,766.62 and 87,885.48

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Solution

The fourth proportional to 118,026.12, 162,766.62 and 87,885.48 is: 121,200.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,026.12 : 162,766.62 = 87,885.48 : x
  2. Step 2: Convert to fraction form
    118,026.12/162,766.62 = 87,885.48/x
  3. Step 3: Cross multiply
    118,026.12x = 162,766.62 × 87,885.48
  4. Step 4: Simplify right side
    118,026.12x = 14,304,822,526.68
  5. Step 5: Solve for x
    x = 14,304,822,526.68/118,026.12
  6. Step 6: Final answer
    x = 121,200.48

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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.