Home / 147,790.17-221,718.06-42,600.94

Finding the Fourth Proportional to 147,790.17, 221,718.06 and 42,600.94

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Solution

The fourth proportional to 147,790.17, 221,718.06 and 42,600.94 is: 63,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,790.17 : 221,718.06 = 42,600.94 : x
  2. Step 2: Convert to fraction form
    147,790.17/221,718.06 = 42,600.94/x
  3. Step 3: Cross multiply
    147,790.17x = 221,718.06 × 42,600.94
  4. Step 4: Simplify right side
    147,790.17x = 9,445,397,216.68
  5. Step 5: Solve for x
    x = 9,445,397,216.68/147,790.17
  6. Step 6: Final answer
    x = 63,910.86

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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.