Home / 146,909.60-202,731.62-85,666.94

Finding the Fourth Proportional to 146,909.60, 202,731.62 and 85,666.94

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Solution

The fourth proportional to 146,909.60, 202,731.62 and 85,666.94 is: 118,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,909.60 : 202,731.62 = 85,666.94 : x
  2. Step 2: Convert to fraction form
    146,909.60/202,731.62 = 85,666.94/x
  3. Step 3: Cross multiply
    146,909.60x = 202,731.62 × 85,666.94
  4. Step 4: Simplify right side
    146,909.60x = 17,367,397,526.64
  5. Step 5: Solve for x
    x = 17,367,397,526.64/146,909.60
  6. Step 6: Final answer
    x = 118,218.26

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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.