Home / 158,439.20-236,430.38-141,613.88

Finding the Fourth Proportional to 158,439.20, 236,430.38 and 141,613.88

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Solution

The fourth proportional to 158,439.20, 236,430.38 and 141,613.88 is: 211,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,439.20 : 236,430.38 = 141,613.88 : x
  2. Step 2: Convert to fraction form
    158,439.20/236,430.38 = 141,613.88/x
  3. Step 3: Cross multiply
    158,439.20x = 236,430.38 × 141,613.88
  4. Step 4: Simplify right side
    158,439.20x = 33,481,822,633.56
  5. Step 5: Solve for x
    x = 33,481,822,633.56/158,439.20
  6. Step 6: Final answer
    x = 211,322.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.