Home / 125,434.24-188,153.28-31,941.76

Finding the Fourth Proportional to 125,434.24, 188,153.28 and 31,941.76

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Solution

The fourth proportional to 125,434.24, 188,153.28 and 31,941.76 is: 47,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,434.24 : 188,153.28 = 31,941.76 : x
  2. Step 2: Convert to fraction form
    125,434.24/188,153.28 = 31,941.76/x
  3. Step 3: Cross multiply
    125,434.24x = 188,153.28 × 31,941.76
  4. Step 4: Simplify right side
    125,434.24x = 6,009,946,912.97
  5. Step 5: Solve for x
    x = 6,009,946,912.97/125,434.24
  6. Step 6: Final answer
    x = 47,913.13

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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.