Home / 125,170.02-187,504.92-75,223.08

Finding the Fourth Proportional to 125,170.02, 187,504.92 and 75,223.08

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Solution

The fourth proportional to 125,170.02, 187,504.92 and 75,223.08 is: 112,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,170.02 : 187,504.92 = 75,223.08 : x
  2. Step 2: Convert to fraction form
    125,170.02/187,504.92 = 75,223.08/x
  3. Step 3: Cross multiply
    125,170.02x = 187,504.92 × 75,223.08
  4. Step 4: Simplify right side
    125,170.02x = 14,104,697,597.55
  5. Step 5: Solve for x
    x = 14,104,697,597.55/125,170.02
  6. Step 6: Final answer
    x = 112,684.31

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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.