Home / 114,918.60-172,377.90-88,674.60

Finding the Fourth Proportional to 114,918.60, 172,377.90 and 88,674.60

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Solution

The fourth proportional to 114,918.60, 172,377.90 and 88,674.60 is: 133,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,918.60 : 172,377.90 = 88,674.60 : x
  2. Step 2: Convert to fraction form
    114,918.60/172,377.90 = 88,674.60/x
  3. Step 3: Cross multiply
    114,918.60x = 172,377.90 × 88,674.60
  4. Step 4: Simplify right side
    114,918.60x = 15,285,541,331.34
  5. Step 5: Solve for x
    x = 15,285,541,331.34/114,918.60
  6. Step 6: Final answer
    x = 133,011.90

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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.