Home / 127,952.42-191,921.71-39,206.18

Finding the Fourth Proportional to 127,952.42, 191,921.71 and 39,206.18

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Solution

The fourth proportional to 127,952.42, 191,921.71 and 39,206.18 is: 58,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,952.42 : 191,921.71 = 39,206.18 : x
  2. Step 2: Convert to fraction form
    127,952.42/191,921.71 = 39,206.18/x
  3. Step 3: Cross multiply
    127,952.42x = 191,921.71 × 39,206.18
  4. Step 4: Simplify right side
    127,952.42x = 7,524,517,489.96
  5. Step 5: Solve for x
    x = 7,524,517,489.96/127,952.42
  6. Step 6: Final answer
    x = 58,807.15

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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.