Home / 125,511.46-187,364.27-107,548.72

Finding the Fourth Proportional to 125,511.46, 187,364.27 and 107,548.72

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Solution

The fourth proportional to 125,511.46, 187,364.27 and 107,548.72 is: 160,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,511.46 : 187,364.27 = 107,548.72 : x
  2. Step 2: Convert to fraction form
    125,511.46/187,364.27 = 107,548.72/x
  3. Step 3: Cross multiply
    125,511.46x = 187,364.27 × 107,548.72
  4. Step 4: Simplify right side
    125,511.46x = 20,150,787,412.23
  5. Step 5: Solve for x
    x = 20,150,787,412.23/125,511.46
  6. Step 6: Final answer
    x = 160,549.38

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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.