Home / 221,799.60-332,731.80-72,014.40

Finding the Fourth Proportional to 221,799.60, 332,731.80 and 72,014.40

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Solution

The fourth proportional to 221,799.60, 332,731.80 and 72,014.40 is: 108,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,799.60 : 332,731.80 = 72,014.40 : x
  2. Step 2: Convert to fraction form
    221,799.60/332,731.80 = 72,014.40/x
  3. Step 3: Cross multiply
    221,799.60x = 332,731.80 × 72,014.40
  4. Step 4: Simplify right side
    221,799.60x = 23,961,480,937.92
  5. Step 5: Solve for x
    x = 23,961,480,937.92/221,799.60
  6. Step 6: Final answer
    x = 108,032.12

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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.