Home / 124,927.20-187,390.80-112,874.40

Finding the Fourth Proportional to 124,927.20, 187,390.80 and 112,874.40

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Solution

The fourth proportional to 124,927.20, 187,390.80 and 112,874.40 is: 169,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,927.20 : 187,390.80 = 112,874.40 : x
  2. Step 2: Convert to fraction form
    124,927.20/187,390.80 = 112,874.40/x
  3. Step 3: Cross multiply
    124,927.20x = 187,390.80 × 112,874.40
  4. Step 4: Simplify right side
    124,927.20x = 21,151,624,115.52
  5. Step 5: Solve for x
    x = 21,151,624,115.52/124,927.20
  6. Step 6: Final answer
    x = 169,311.60

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1.5x scale

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.