Home / 173,690.10-260,535.15-85,116.60

Finding the Fourth Proportional to 173,690.10, 260,535.15 and 85,116.60

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Solution

The fourth proportional to 173,690.10, 260,535.15 and 85,116.60 is: 127,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,690.10 : 260,535.15 = 85,116.60 : x
  2. Step 2: Convert to fraction form
    173,690.10/260,535.15 = 85,116.60/x
  3. Step 3: Cross multiply
    173,690.10x = 260,535.15 × 85,116.60
  4. Step 4: Simplify right side
    173,690.10x = 22,175,866,148.49
  5. Step 5: Solve for x
    x = 22,175,866,148.49/173,690.10
  6. Step 6: Final answer
    x = 127,674.90

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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.