Home / 147,351.13-221,026.69-53,856.88

Finding the Fourth Proportional to 147,351.13, 221,026.69 and 53,856.88

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Solution

The fourth proportional to 147,351.13, 221,026.69 and 53,856.88 is: 80,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,351.13 : 221,026.69 = 53,856.88 : x
  2. Step 2: Convert to fraction form
    147,351.13/221,026.69 = 53,856.88/x
  3. Step 3: Cross multiply
    147,351.13x = 221,026.69 × 53,856.88
  4. Step 4: Simplify right side
    147,351.13x = 11,903,807,920.13
  5. Step 5: Solve for x
    x = 11,903,807,920.13/147,351.13
  6. Step 6: Final answer
    x = 80,785.32

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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.