Home / 127,947.57-192,087.65-98,386.16

Finding the Fourth Proportional to 127,947.57, 192,087.65 and 98,386.16

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Solution

The fourth proportional to 127,947.57, 192,087.65 and 98,386.16 is: 147,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,947.57 : 192,087.65 = 98,386.16 : x
  2. Step 2: Convert to fraction form
    127,947.57/192,087.65 = 98,386.16/x
  3. Step 3: Cross multiply
    127,947.57x = 192,087.65 × 98,386.16
  4. Step 4: Simplify right side
    127,947.57x = 18,898,765,552.45
  5. Step 5: Solve for x
    x = 18,898,765,552.45/127,947.57
  6. Step 6: Final answer
    x = 147,707.11

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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.