Home / 112,586.22-155,301.30-74,346.12

Finding the Fourth Proportional to 112,586.22, 155,301.30 and 74,346.12

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Solution

The fourth proportional to 112,586.22, 155,301.30 and 74,346.12 is: 102,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,586.22 : 155,301.30 = 74,346.12 : x
  2. Step 2: Convert to fraction form
    112,586.22/155,301.30 = 74,346.12/x
  3. Step 3: Cross multiply
    112,586.22x = 155,301.30 × 74,346.12
  4. Step 4: Simplify right side
    112,586.22x = 11,546,049,085.96
  5. Step 5: Solve for x
    x = 11,546,049,085.96/112,586.22
  6. Step 6: Final answer
    x = 102,552.95

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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.