Home / 124,147.72-186,141.44-53,116.70

Finding the Fourth Proportional to 124,147.72, 186,141.44 and 53,116.70

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Solution

The fourth proportional to 124,147.72, 186,141.44 and 53,116.70 is: 79,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,147.72 : 186,141.44 = 53,116.70 : x
  2. Step 2: Convert to fraction form
    124,147.72/186,141.44 = 53,116.70/x
  3. Step 3: Cross multiply
    124,147.72x = 186,141.44 × 53,116.70
  4. Step 4: Simplify right side
    124,147.72x = 9,887,219,026.05
  5. Step 5: Solve for x
    x = 9,887,219,026.05/124,147.72
  6. Step 6: Final answer
    x = 79,640.76

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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.