Home / 316,191.93-474,288.71-129,203.43

Finding the Fourth Proportional to 316,191.93, 474,288.71 and 129,203.43

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Solution

The fourth proportional to 316,191.93, 474,288.71 and 129,203.43 is: 193,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,191.93 : 474,288.71 = 129,203.43 : x
  2. Step 2: Convert to fraction form
    316,191.93/474,288.71 = 129,203.43/x
  3. Step 3: Cross multiply
    316,191.93x = 474,288.71 × 129,203.43
  4. Step 4: Simplify right side
    316,191.93x = 61,279,727,496.26
  5. Step 5: Solve for x
    x = 61,279,727,496.26/316,191.93
  6. Step 6: Final answer
    x = 193,805.48

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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.