Home / 147,588.48-203,690.16-83,941.92

Finding the Fourth Proportional to 147,588.48, 203,690.16 and 83,941.92

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Solution

The fourth proportional to 147,588.48, 203,690.16 and 83,941.92 is: 115,850.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,588.48 : 203,690.16 = 83,941.92 : x
  2. Step 2: Convert to fraction form
    147,588.48/203,690.16 = 83,941.92/x
  3. Step 3: Cross multiply
    147,588.48x = 203,690.16 × 83,941.92
  4. Step 4: Simplify right side
    147,588.48x = 17,098,143,115.51
  5. Step 5: Solve for x
    x = 17,098,143,115.51/147,588.48
  6. Step 6: Final answer
    x = 115,850.12

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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.