Home / 121,748.70-182,623.05-92,224.20

Finding the Fourth Proportional to 121,748.70, 182,623.05 and 92,224.20

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Solution

The fourth proportional to 121,748.70, 182,623.05 and 92,224.20 is: 138,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,748.70 : 182,623.05 = 92,224.20 : x
  2. Step 2: Convert to fraction form
    121,748.70/182,623.05 = 92,224.20/x
  3. Step 3: Cross multiply
    121,748.70x = 182,623.05 × 92,224.20
  4. Step 4: Simplify right side
    121,748.70x = 16,842,264,687.81
  5. Step 5: Solve for x
    x = 16,842,264,687.81/121,748.70
  6. Step 6: Final answer
    x = 138,336.30

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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.