Home / 127,585.97-191,406.61-38,837.15

Finding the Fourth Proportional to 127,585.97, 191,406.61 and 38,837.15

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Solution

The fourth proportional to 127,585.97, 191,406.61 and 38,837.15 is: 58,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,585.97 : 191,406.61 = 38,837.15 : x
  2. Step 2: Convert to fraction form
    127,585.97/191,406.61 = 38,837.15/x
  3. Step 3: Cross multiply
    127,585.97x = 191,406.61 × 38,837.15
  4. Step 4: Simplify right side
    127,585.97x = 7,433,688,109.51
  5. Step 5: Solve for x
    x = 7,433,688,109.51/127,585.97
  6. Step 6: Final answer
    x = 58,264.15

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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.