Home / 125,012.62-187,300.26-104,087.20

Finding the Fourth Proportional to 125,012.62, 187,300.26 and 104,087.20

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Solution

The fourth proportional to 125,012.62, 187,300.26 and 104,087.20 is: 155,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,012.62 : 187,300.26 = 104,087.20 : x
  2. Step 2: Convert to fraction form
    125,012.62/187,300.26 = 104,087.20/x
  3. Step 3: Cross multiply
    125,012.62x = 187,300.26 × 104,087.20
  4. Step 4: Simplify right side
    125,012.62x = 19,495,559,622.67
  5. Step 5: Solve for x
    x = 19,495,559,622.67/125,012.62
  6. Step 6: Final answer
    x = 155,948.73

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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.