Home / 118,353.81-163,329.17-64,637.85

Finding the Fourth Proportional to 118,353.81, 163,329.17 and 64,637.85

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Solution

The fourth proportional to 118,353.81, 163,329.17 and 64,637.85 is: 89,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,353.81 : 163,329.17 = 64,637.85 : x
  2. Step 2: Convert to fraction form
    118,353.81/163,329.17 = 64,637.85/x
  3. Step 3: Cross multiply
    118,353.81x = 163,329.17 × 64,637.85
  4. Step 4: Simplify right side
    118,353.81x = 10,557,246,067.90
  5. Step 5: Solve for x
    x = 10,557,246,067.90/118,353.81
  6. Step 6: Final answer
    x = 89,200.73

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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.