Home / 121,844.10-182,766.15-42,966.30

Finding the Fourth Proportional to 121,844.10, 182,766.15 and 42,966.30

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Solution

The fourth proportional to 121,844.10, 182,766.15 and 42,966.30 is: 64,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,844.10 : 182,766.15 = 42,966.30 : x
  2. Step 2: Convert to fraction form
    121,844.10/182,766.15 = 42,966.30/x
  3. Step 3: Cross multiply
    121,844.10x = 182,766.15 × 42,966.30
  4. Step 4: Simplify right side
    121,844.10x = 7,852,785,230.75
  5. Step 5: Solve for x
    x = 7,852,785,230.75/121,844.10
  6. Step 6: Final answer
    x = 64,449.45

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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.