Home / 147,111.48-220,700.03-53,617.23

Finding the Fourth Proportional to 147,111.48, 220,700.03 and 53,617.23

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Solution

The fourth proportional to 147,111.48, 220,700.03 and 53,617.23 is: 80,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,111.48 : 220,700.03 = 53,617.23 : x
  2. Step 2: Convert to fraction form
    147,111.48/220,700.03 = 53,617.23/x
  3. Step 3: Cross multiply
    147,111.48x = 220,700.03 × 53,617.23
  4. Step 4: Simplify right side
    147,111.48x = 11,833,324,001.43
  5. Step 5: Solve for x
    x = 11,833,324,001.43/147,111.48
  6. Step 6: Final answer
    x = 80,437.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.