Home / 125,518.48-173,240.04-77,793.04

Finding the Fourth Proportional to 125,518.48, 173,240.04 and 77,793.04

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Solution

The fourth proportional to 125,518.48, 173,240.04 and 77,793.04 is: 107,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,518.48 : 173,240.04 = 77,793.04 : x
  2. Step 2: Convert to fraction form
    125,518.48/173,240.04 = 77,793.04/x
  3. Step 3: Cross multiply
    125,518.48x = 173,240.04 × 77,793.04
  4. Step 4: Simplify right side
    125,518.48x = 13,476,869,361.32
  5. Step 5: Solve for x
    x = 13,476,869,361.32/125,518.48
  6. Step 6: Final answer
    x = 107,369.60

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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.