Home / 127,709.28-191,569.31-37,752.19

Finding the Fourth Proportional to 127,709.28, 191,569.31 and 37,752.19

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Solution

The fourth proportional to 127,709.28, 191,569.31 and 37,752.19 is: 56,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,709.28 : 191,569.31 = 37,752.19 : x
  2. Step 2: Convert to fraction form
    127,709.28/191,569.31 = 37,752.19/x
  3. Step 3: Cross multiply
    127,709.28x = 191,569.31 × 37,752.19
  4. Step 4: Simplify right side
    127,709.28x = 7,232,160,989.29
  5. Step 5: Solve for x
    x = 7,232,160,989.29/127,709.28
  6. Step 6: Final answer
    x = 56,629.88

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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.