Home / 123,675.18-185,541.89-98,470.02

Finding the Fourth Proportional to 123,675.18, 185,541.89 and 98,470.02

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Solution

The fourth proportional to 123,675.18, 185,541.89 and 98,470.02 is: 147,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,675.18 : 185,541.89 = 98,470.02 : x
  2. Step 2: Convert to fraction form
    123,675.18/185,541.89 = 98,470.02/x
  3. Step 3: Cross multiply
    123,675.18x = 185,541.89 × 98,470.02
  4. Step 4: Simplify right side
    123,675.18x = 18,270,313,619.14
  5. Step 5: Solve for x
    x = 18,270,313,619.14/123,675.18
  6. Step 6: Final answer
    x = 147,728.22

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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.