Home / 115,475.40-173,213.10-98,562.60

Finding the Fourth Proportional to 115,475.40, 173,213.10 and 98,562.60

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Solution

The fourth proportional to 115,475.40, 173,213.10 and 98,562.60 is: 147,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,475.40 : 173,213.10 = 98,562.60 : x
  2. Step 2: Convert to fraction form
    115,475.40/173,213.10 = 98,562.60/x
  3. Step 3: Cross multiply
    115,475.40x = 173,213.10 × 98,562.60
  4. Step 4: Simplify right side
    115,475.40x = 17,072,333,490.06
  5. Step 5: Solve for x
    x = 17,072,333,490.06/115,475.40
  6. Step 6: Final answer
    x = 147,843.90

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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.