Home / 120,923.40-181,207.62-60,869.28

Finding the Fourth Proportional to 120,923.40, 181,207.62 and 60,869.28

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Solution

The fourth proportional to 120,923.40, 181,207.62 and 60,869.28 is: 91,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,923.40 : 181,207.62 = 60,869.28 : x
  2. Step 2: Convert to fraction form
    120,923.40/181,207.62 = 60,869.28/x
  3. Step 3: Cross multiply
    120,923.40x = 181,207.62 × 60,869.28
  4. Step 4: Simplify right side
    120,923.40x = 11,029,977,359.91
  5. Step 5: Solve for x
    x = 11,029,977,359.91/120,923.40
  6. Step 6: Final answer
    x = 91,214.58

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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.