Home / 244,621.40-366,932.10-78,426.20

Finding the Fourth Proportional to 244,621.40, 366,932.10 and 78,426.20

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Solution

The fourth proportional to 244,621.40, 366,932.10 and 78,426.20 is: 117,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,621.40 : 366,932.10 = 78,426.20 : x
  2. Step 2: Convert to fraction form
    244,621.40/366,932.10 = 78,426.20/x
  3. Step 3: Cross multiply
    244,621.40x = 366,932.10 × 78,426.20
  4. Step 4: Simplify right side
    244,621.40x = 28,777,090,261.02
  5. Step 5: Solve for x
    x = 28,777,090,261.02/244,621.40
  6. Step 6: Final answer
    x = 117,639.30

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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.