Home / 220,193.24-330,280.74-70,442.06

Finding the Fourth Proportional to 220,193.24, 330,280.74 and 70,442.06

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Solution

The fourth proportional to 220,193.24, 330,280.74 and 70,442.06 is: 105,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,193.24 : 330,280.74 = 70,442.06 : x
  2. Step 2: Convert to fraction form
    220,193.24/330,280.74 = 70,442.06/x
  3. Step 3: Cross multiply
    220,193.24x = 330,280.74 × 70,442.06
  4. Step 4: Simplify right side
    220,193.24x = 23,265,654,052.52
  5. Step 5: Solve for x
    x = 23,265,654,052.52/220,193.24
  6. Step 6: Final answer
    x = 105,660.17

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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.