Home / 118,019.13-162,864.35-64,304.59

Finding the Fourth Proportional to 118,019.13, 162,864.35 and 64,304.59

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Solution

The fourth proportional to 118,019.13, 162,864.35 and 64,304.59 is: 88,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,019.13 : 162,864.35 = 64,304.59 : x
  2. Step 2: Convert to fraction form
    118,019.13/162,864.35 = 64,304.59/x
  3. Step 3: Cross multiply
    118,019.13x = 162,864.35 × 64,304.59
  4. Step 4: Simplify right side
    118,019.13x = 10,472,924,523.68
  5. Step 5: Solve for x
    x = 10,472,924,523.68/118,019.13
  6. Step 6: Final answer
    x = 88,739.21

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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.