Home / 118,496.44-163,525.08-64,781.68

Finding the Fourth Proportional to 118,496.44, 163,525.08 and 64,781.68

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Solution

The fourth proportional to 118,496.44, 163,525.08 and 64,781.68 is: 89,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,496.44 : 163,525.08 = 64,781.68 : x
  2. Step 2: Convert to fraction form
    118,496.44/163,525.08 = 64,781.68/x
  3. Step 3: Cross multiply
    118,496.44x = 163,525.08 × 64,781.68
  4. Step 4: Simplify right side
    118,496.44x = 10,593,429,404.53
  5. Step 5: Solve for x
    x = 10,593,429,404.53/118,496.44
  6. Step 6: Final answer
    x = 89,398.71

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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.