Home / 316,580.76-474,867.18-127,125

Finding the Fourth Proportional to 316,580.76, 474,867.18 and 127,125

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Solution

The fourth proportional to 316,580.76, 474,867.18 and 127,125 is: 190,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,580.76 : 474,867.18 = 127,125 : x
  2. Step 2: Convert to fraction form
    316,580.76/474,867.18 = 127,125/x
  3. Step 3: Cross multiply
    316,580.76x = 474,867.18 × 127,125
  4. Step 4: Simplify right side
    316,580.76x = 60,367,490,257.50
  5. Step 5: Solve for x
    x = 60,367,490,257.50/316,580.76
  6. Step 6: Final answer
    x = 190,685.91

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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.