Home / 127,527.30-191,298.15-38,783.70

Finding the Fourth Proportional to 127,527.30, 191,298.15 and 38,783.70

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Solution

The fourth proportional to 127,527.30, 191,298.15 and 38,783.70 is: 58,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,527.30 : 191,298.15 = 38,783.70 : x
  2. Step 2: Convert to fraction form
    127,527.30/191,298.15 = 38,783.70/x
  3. Step 3: Cross multiply
    127,527.30x = 191,298.15 × 38,783.70
  4. Step 4: Simplify right side
    127,527.30x = 7,419,250,060.16
  5. Step 5: Solve for x
    x = 7,419,250,060.16/127,527.30
  6. Step 6: Final answer
    x = 58,177.74

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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.