Home / 161,761.86-223,228.31-88,174.94

Finding the Fourth Proportional to 161,761.86, 223,228.31 and 88,174.94

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Solution

The fourth proportional to 161,761.86, 223,228.31 and 88,174.94 is: 121,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,761.86 : 223,228.31 = 88,174.94 : x
  2. Step 2: Convert to fraction form
    161,761.86/223,228.31 = 88,174.94/x
  3. Step 3: Cross multiply
    161,761.86x = 223,228.31 × 88,174.94
  4. Step 4: Simplify right side
    161,761.86x = 19,683,141,283.54
  5. Step 5: Solve for x
    x = 19,683,141,283.54/161,761.86
  6. Step 6: Final answer
    x = 121,679.74

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1.5x scale

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.