Home / 147,194.58-203,155.11-86,761.74

Finding the Fourth Proportional to 147,194.58, 203,155.11 and 86,761.74

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Solution

The fourth proportional to 147,194.58, 203,155.11 and 86,761.74 is: 119,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,194.58 : 203,155.11 = 86,761.74 : x
  2. Step 2: Convert to fraction form
    147,194.58/203,155.11 = 86,761.74/x
  3. Step 3: Cross multiply
    147,194.58x = 203,155.11 × 86,761.74
  4. Step 4: Simplify right side
    147,194.58x = 17,626,090,833.49
  5. Step 5: Solve for x
    x = 17,626,090,833.49/147,194.58
  6. Step 6: Final answer
    x = 119,746.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.