Home / 151,842.16-209,542.19-88,184.06

Finding the Fourth Proportional to 151,842.16, 209,542.19 and 88,184.06

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Solution

The fourth proportional to 151,842.16, 209,542.19 and 88,184.06 is: 121,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,842.16 : 209,542.19 = 88,184.06 : x
  2. Step 2: Convert to fraction form
    151,842.16/209,542.19 = 88,184.06/x
  3. Step 3: Cross multiply
    151,842.16x = 209,542.19 × 88,184.06
  4. Step 4: Simplify right side
    151,842.16x = 18,478,281,055.49
  5. Step 5: Solve for x
    x = 18,478,281,055.49/151,842.16
  6. Step 6: Final answer
    x = 121,694.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.