Home / 151,847.30-209,549.29-88,189.19

Finding the Fourth Proportional to 151,847.30, 209,549.29 and 88,189.19

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Solution

The fourth proportional to 151,847.30, 209,549.29 and 88,189.19 is: 121,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,847.30 : 209,549.29 = 88,189.19 : x
  2. Step 2: Convert to fraction form
    151,847.30/209,549.29 = 88,189.19/x
  3. Step 3: Cross multiply
    151,847.30x = 209,549.29 × 88,189.19
  4. Step 4: Simplify right side
    151,847.30x = 18,479,983,011.84
  5. Step 5: Solve for x
    x = 18,479,983,011.84/151,847.30
  6. Step 6: Final answer
    x = 121,701.10

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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.