Home / 118,116.74-162,998.14-64,402.80

Finding the Fourth Proportional to 118,116.74, 162,998.14 and 64,402.80

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Solution

The fourth proportional to 118,116.74, 162,998.14 and 64,402.80 is: 88,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,116.74 : 162,998.14 = 64,402.80 : x
  2. Step 2: Convert to fraction form
    118,116.74/162,998.14 = 64,402.80/x
  3. Step 3: Cross multiply
    118,116.74x = 162,998.14 × 64,402.80
  4. Step 4: Simplify right side
    118,116.74x = 10,497,536,610.79
  5. Step 5: Solve for x
    x = 10,497,536,610.79/118,116.74
  6. Step 6: Final answer
    x = 88,874.25

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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.