Home / 151,557.30-209,144.28-83,577.14

Finding the Fourth Proportional to 151,557.30, 209,144.28 and 83,577.14

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Solution

The fourth proportional to 151,557.30, 209,144.28 and 83,577.14 is: 115,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,557.30 : 209,144.28 = 83,577.14 : x
  2. Step 2: Convert to fraction form
    151,557.30/209,144.28 = 83,577.14/x
  3. Step 3: Cross multiply
    151,557.30x = 209,144.28 × 83,577.14
  4. Step 4: Simplify right side
    151,557.30x = 17,479,680,939.84
  5. Step 5: Solve for x
    x = 17,479,680,939.84/151,557.30
  6. Step 6: Final answer
    x = 115,333.81

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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.