Home / 220,737.12-329,273.04-213,357.22

Finding the Fourth Proportional to 220,737.12, 329,273.04 and 213,357.22

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Solution

The fourth proportional to 220,737.12, 329,273.04 and 213,357.22 is: 318,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,737.12 : 329,273.04 = 213,357.22 : x
  2. Step 2: Convert to fraction form
    220,737.12/329,273.04 = 213,357.22/x
  3. Step 3: Cross multiply
    220,737.12x = 329,273.04 × 213,357.22
  4. Step 4: Simplify right side
    220,737.12x = 70,252,780,435.35
  5. Step 5: Solve for x
    x = 70,252,780,435.35/220,737.12
  6. Step 6: Final answer
    x = 318,264.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.