Home / 158,566.16-218,823.02-86,944.64

Finding the Fourth Proportional to 158,566.16, 218,823.02 and 86,944.64

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Solution

The fourth proportional to 158,566.16, 218,823.02 and 86,944.64 is: 119,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,566.16 : 218,823.02 = 86,944.64 : x
  2. Step 2: Convert to fraction form
    158,566.16/218,823.02 = 86,944.64/x
  3. Step 3: Cross multiply
    158,566.16x = 218,823.02 × 86,944.64
  4. Step 4: Simplify right side
    158,566.16x = 19,025,488,725.70
  5. Step 5: Solve for x
    x = 19,025,488,725.70/158,566.16
  6. Step 6: Final answer
    x = 119,984.55

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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.