Home / 147,800.43-221,700.50-47,960.62

Finding the Fourth Proportional to 147,800.43, 221,700.50 and 47,960.62

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Solution

The fourth proportional to 147,800.43, 221,700.50 and 47,960.62 is: 71,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,800.43 : 221,700.50 = 47,960.62 : x
  2. Step 2: Convert to fraction form
    147,800.43/221,700.50 = 47,960.62/x
  3. Step 3: Cross multiply
    147,800.43x = 221,700.50 × 47,960.62
  4. Step 4: Simplify right side
    147,800.43x = 10,632,893,434.31
  5. Step 5: Solve for x
    x = 10,632,893,434.31/147,800.43
  6. Step 6: Final answer
    x = 71,940.88

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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.