Home / 109,458.44-151,152.18-82,554.92

Finding the Fourth Proportional to 109,458.44, 151,152.18 and 82,554.92

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Solution

The fourth proportional to 109,458.44, 151,152.18 and 82,554.92 is: 114,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,458.44 : 151,152.18 = 82,554.92 : x
  2. Step 2: Convert to fraction form
    109,458.44/151,152.18 = 82,554.92/x
  3. Step 3: Cross multiply
    109,458.44x = 151,152.18 × 82,554.92
  4. Step 4: Simplify right side
    109,458.44x = 12,478,356,127.73
  5. Step 5: Solve for x
    x = 12,478,356,127.73/109,458.44
  6. Step 6: Final answer
    x = 114,000.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.