Home / 220,741.28-304,338.32-160,399.52

Finding the Fourth Proportional to 220,741.28, 304,338.32 and 160,399.52

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Solution

The fourth proportional to 220,741.28, 304,338.32 and 160,399.52 is: 221,144.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,741.28 : 304,338.32 = 160,399.52 : x
  2. Step 2: Convert to fraction form
    220,741.28/304,338.32 = 160,399.52/x
  3. Step 3: Cross multiply
    220,741.28x = 304,338.32 × 160,399.52
  4. Step 4: Simplify right side
    220,741.28x = 48,815,720,445.61
  5. Step 5: Solve for x
    x = 48,815,720,445.61/220,741.28
  6. Step 6: Final answer
    x = 221,144.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.