Home / 147,588.25-203,687.47-90,261.11

Finding the Fourth Proportional to 147,588.25, 203,687.47 and 90,261.11

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Solution

The fourth proportional to 147,588.25, 203,687.47 and 90,261.11 is: 124,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,588.25 : 203,687.47 = 90,261.11 : x
  2. Step 2: Convert to fraction form
    147,588.25/203,687.47 = 90,261.11/x
  3. Step 3: Cross multiply
    147,588.25x = 203,687.47 × 90,261.11
  4. Step 4: Simplify right side
    147,588.25x = 18,385,057,135.29
  5. Step 5: Solve for x
    x = 18,385,057,135.29/147,588.25
  6. Step 6: Final answer
    x = 124,569.92

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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.