Home / 116,474.00-160,739.79-65,502.78

Finding the Fourth Proportional to 116,474.00, 160,739.79 and 65,502.78

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Solution

The fourth proportional to 116,474.00, 160,739.79 and 65,502.78 is: 90,397.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,474.00 : 160,739.79 = 65,502.78 : x
  2. Step 2: Convert to fraction form
    116,474.00/160,739.79 = 65,502.78/x
  3. Step 3: Cross multiply
    116,474.00x = 160,739.79 × 65,502.78
  4. Step 4: Simplify right side
    116,474.00x = 10,528,902,621.66
  5. Step 5: Solve for x
    x = 10,528,902,621.66/116,474.00
  6. Step 6: Final answer
    x = 90,397.02

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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.