Home / 127,585.27-191,405.58-38,836.47

Finding the Fourth Proportional to 127,585.27, 191,405.58 and 38,836.47

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Solution

The fourth proportional to 127,585.27, 191,405.58 and 38,836.47 is: 58,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,585.27 : 191,405.58 = 38,836.47 : x
  2. Step 2: Convert to fraction form
    127,585.27/191,405.58 = 38,836.47/x
  3. Step 3: Cross multiply
    127,585.27x = 191,405.58 × 38,836.47
  4. Step 4: Simplify right side
    127,585.27x = 7,433,517,065.50
  5. Step 5: Solve for x
    x = 7,433,517,065.50/127,585.27
  6. Step 6: Final answer
    x = 58,263.13

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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.