Home / 158,499.26-218,725.52-86,877.74

Finding the Fourth Proportional to 158,499.26, 218,725.52 and 86,877.74

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Solution

The fourth proportional to 158,499.26, 218,725.52 and 86,877.74 is: 119,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,499.26 : 218,725.52 = 86,877.74 : x
  2. Step 2: Convert to fraction form
    158,499.26/218,725.52 = 86,877.74/x
  3. Step 3: Cross multiply
    158,499.26x = 218,725.52 × 86,877.74
  4. Step 4: Simplify right side
    158,499.26x = 19,002,378,857.92
  5. Step 5: Solve for x
    x = 19,002,378,857.92/158,499.26
  6. Step 6: Final answer
    x = 119,889.39

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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.