Home / 147,447.12-221,092.90-64,295.76

Finding the Fourth Proportional to 147,447.12, 221,092.90 and 64,295.76

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Solution

The fourth proportional to 147,447.12, 221,092.90 and 64,295.76 is: 96,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,447.12 : 221,092.90 = 64,295.76 : x
  2. Step 2: Convert to fraction form
    147,447.12/221,092.90 = 64,295.76/x
  3. Step 3: Cross multiply
    147,447.12x = 221,092.90 × 64,295.76
  4. Step 4: Simplify right side
    147,447.12x = 14,215,336,036.10
  5. Step 5: Solve for x
    x = 14,215,336,036.10/147,447.12
  6. Step 6: Final answer
    x = 96,409.72

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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.