Home / 122,282.16-183,423.24-80,719.44

Finding the Fourth Proportional to 122,282.16, 183,423.24 and 80,719.44

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Solution

The fourth proportional to 122,282.16, 183,423.24 and 80,719.44 is: 121,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,282.16 : 183,423.24 = 80,719.44 : x
  2. Step 2: Convert to fraction form
    122,282.16/183,423.24 = 80,719.44/x
  3. Step 3: Cross multiply
    122,282.16x = 183,423.24 × 80,719.44
  4. Step 4: Simplify right side
    122,282.16x = 14,805,821,215.79
  5. Step 5: Solve for x
    x = 14,805,821,215.79/122,282.16
  6. Step 6: Final answer
    x = 121,079.16

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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.