Home / 125,895.57-188,749.02-75,963.87

Finding the Fourth Proportional to 125,895.57, 188,749.02 and 75,963.87

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Solution

The fourth proportional to 125,895.57, 188,749.02 and 75,963.87 is: 113,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,895.57 : 188,749.02 = 75,963.87 : x
  2. Step 2: Convert to fraction form
    125,895.57/188,749.02 = 75,963.87/x
  3. Step 3: Cross multiply
    125,895.57x = 188,749.02 × 75,963.87
  4. Step 4: Simplify right side
    125,895.57x = 14,338,106,017.91
  5. Step 5: Solve for x
    x = 14,338,106,017.91/125,895.57
  6. Step 6: Final answer
    x = 113,888.88

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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.