Home / 147,612.78-221,422.59-52,849.44

Finding the Fourth Proportional to 147,612.78, 221,422.59 and 52,849.44

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Solution

The fourth proportional to 147,612.78, 221,422.59 and 52,849.44 is: 79,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,612.78 : 221,422.59 = 52,849.44 : x
  2. Step 2: Convert to fraction form
    147,612.78/221,422.59 = 52,849.44/x
  3. Step 3: Cross multiply
    147,612.78x = 221,422.59 × 52,849.44
  4. Step 4: Simplify right side
    147,612.78x = 11,702,059,884.85
  5. Step 5: Solve for x
    x = 11,702,059,884.85/147,612.78
  6. Step 6: Final answer
    x = 79,275.38

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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.