Home / 316,566.80-474,775.68-91,867.92

Finding the Fourth Proportional to 316,566.80, 474,775.68 and 91,867.92

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Solution

The fourth proportional to 316,566.80, 474,775.68 and 91,867.92 is: 137,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,566.80 : 474,775.68 = 91,867.92 : x
  2. Step 2: Convert to fraction form
    316,566.80/474,775.68 = 91,867.92/x
  3. Step 3: Cross multiply
    316,566.80x = 474,775.68 × 91,867.92
  4. Step 4: Simplify right side
    316,566.80x = 43,616,654,188.19
  5. Step 5: Solve for x
    x = 43,616,654,188.19/316,566.80
  6. Step 6: Final answer
    x = 137,780.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.