Home / 121,746.70-182,620.05-92,222.20

Finding the Fourth Proportional to 121,746.70, 182,620.05 and 92,222.20

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Solution

The fourth proportional to 121,746.70, 182,620.05 and 92,222.20 is: 138,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,746.70 : 182,620.05 = 92,222.20 : x
  2. Step 2: Convert to fraction form
    121,746.70/182,620.05 = 92,222.20/x
  3. Step 3: Cross multiply
    121,746.70x = 182,620.05 × 92,222.20
  4. Step 4: Simplify right side
    121,746.70x = 16,841,622,775.11
  5. Step 5: Solve for x
    x = 16,841,622,775.11/121,746.70
  6. Step 6: Final answer
    x = 138,333.30

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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.