Home / 232,815.20-349,222.80-66,603.20

Finding the Fourth Proportional to 232,815.20, 349,222.80 and 66,603.20

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Solution

The fourth proportional to 232,815.20, 349,222.80 and 66,603.20 is: 99,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,815.20 : 349,222.80 = 66,603.20 : x
  2. Step 2: Convert to fraction form
    232,815.20/349,222.80 = 66,603.20/x
  3. Step 3: Cross multiply
    232,815.20x = 349,222.80 × 66,603.20
  4. Step 4: Simplify right side
    232,815.20x = 23,259,354,246.85
  5. Step 5: Solve for x
    x = 23,259,354,246.85/232,815.20
  6. Step 6: Final answer
    x = 99,904.79

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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.