Home / 107,645.63-160,331.33-102,025.04

Finding the Fourth Proportional to 107,645.63, 160,331.33 and 102,025.04

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Solution

The fourth proportional to 107,645.63, 160,331.33 and 102,025.04 is: 151,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,645.63 : 160,331.33 = 102,025.04 : x
  2. Step 2: Convert to fraction form
    107,645.63/160,331.33 = 102,025.04/x
  3. Step 3: Cross multiply
    107,645.63x = 160,331.33 × 102,025.04
  4. Step 4: Simplify right side
    107,645.63x = 16,357,809,809.91
  5. Step 5: Solve for x
    x = 16,357,809,809.91/107,645.63
  6. Step 6: Final answer
    x = 151,959.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.