Home / 104,377.04-156,368.72-80,888.66

Finding the Fourth Proportional to 104,377.04, 156,368.72 and 80,888.66

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Solution

The fourth proportional to 104,377.04, 156,368.72 and 80,888.66 is: 121,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,377.04 : 156,368.72 = 80,888.66 : x
  2. Step 2: Convert to fraction form
    104,377.04/156,368.72 = 80,888.66/x
  3. Step 3: Cross multiply
    104,377.04x = 156,368.72 × 80,888.66
  4. Step 4: Simplify right side
    104,377.04x = 12,648,456,226.72
  5. Step 5: Solve for x
    x = 12,648,456,226.72/104,377.04
  6. Step 6: Final answer
    x = 121,180.45

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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.