Home / 125,942.28-187,931.08-114,764.28

Finding the Fourth Proportional to 125,942.28, 187,931.08 and 114,764.28

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Solution

The fourth proportional to 125,942.28, 187,931.08 and 114,764.28 is: 171,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,942.28 : 187,931.08 = 114,764.28 : x
  2. Step 2: Convert to fraction form
    125,942.28/187,931.08 = 114,764.28/x
  3. Step 3: Cross multiply
    125,942.28x = 187,931.08 × 114,764.28
  4. Step 4: Simplify right side
    125,942.28x = 21,567,775,085.82
  5. Step 5: Solve for x
    x = 21,567,775,085.82/125,942.28
  6. Step 6: Final answer
    x = 171,251.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.