Home / 220,436.08-330,677.20-94,089.76

Finding the Fourth Proportional to 220,436.08, 330,677.20 and 94,089.76

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Solution

The fourth proportional to 220,436.08, 330,677.20 and 94,089.76 is: 141,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,436.08 : 330,677.20 = 94,089.76 : x
  2. Step 2: Convert to fraction form
    220,436.08/330,677.20 = 94,089.76/x
  3. Step 3: Cross multiply
    220,436.08x = 330,677.20 × 94,089.76
  4. Step 4: Simplify right side
    220,436.08x = 31,113,338,385.47
  5. Step 5: Solve for x
    x = 31,113,338,385.47/220,436.08
  6. Step 6: Final answer
    x = 141,144.49

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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.