Home / 147,651.52-221,512.48-47,811.76

Finding the Fourth Proportional to 147,651.52, 221,512.48 and 47,811.76

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Solution

The fourth proportional to 147,651.52, 221,512.48 and 47,811.76 is: 71,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,651.52 : 221,512.48 = 47,811.76 : x
  2. Step 2: Convert to fraction form
    147,651.52/221,512.48 = 47,811.76/x
  3. Step 3: Cross multiply
    147,651.52x = 221,512.48 × 47,811.76
  4. Step 4: Simplify right side
    147,651.52x = 10,590,901,530.76
  5. Step 5: Solve for x
    x = 10,590,901,530.76/147,651.52
  6. Step 6: Final answer
    x = 71,729.04

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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.