Home / 146,132.40-201,642.48-81,593.76

Finding the Fourth Proportional to 146,132.40, 201,642.48 and 81,593.76

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Solution

The fourth proportional to 146,132.40, 201,642.48 and 81,593.76 is: 112,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,132.40 : 201,642.48 = 81,593.76 : x
  2. Step 2: Convert to fraction form
    146,132.40/201,642.48 = 81,593.76/x
  3. Step 3: Cross multiply
    146,132.40x = 201,642.48 × 81,593.76
  4. Step 4: Simplify right side
    146,132.40x = 16,452,768,118.92
  5. Step 5: Solve for x
    x = 16,452,768,118.92/146,132.40
  6. Step 6: Final answer
    x = 112,588.09

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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.