Home / 147,898.28-221,736.70-47,998.86

Finding the Fourth Proportional to 147,898.28, 221,736.70 and 47,998.86

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Solution

The fourth proportional to 147,898.28, 221,736.70 and 47,998.86 is: 71,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,898.28 : 221,736.70 = 47,998.86 : x
  2. Step 2: Convert to fraction form
    147,898.28/221,736.70 = 47,998.86/x
  3. Step 3: Cross multiply
    147,898.28x = 221,736.70 × 47,998.86
  4. Step 4: Simplify right side
    147,898.28x = 10,643,108,820.16
  5. Step 5: Solve for x
    x = 10,643,108,820.16/147,898.28
  6. Step 6: Final answer
    x = 71,962.36

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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.