Home / 121,157.83-181,814.51-58,794.31

Finding the Fourth Proportional to 121,157.83, 181,814.51 and 58,794.31

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Solution

The fourth proportional to 121,157.83, 181,814.51 and 58,794.31 is: 88,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,157.83 : 181,814.51 = 58,794.31 : x
  2. Step 2: Convert to fraction form
    121,157.83/181,814.51 = 58,794.31/x
  3. Step 3: Cross multiply
    121,157.83x = 181,814.51 × 58,794.31
  4. Step 4: Simplify right side
    121,157.83x = 10,689,658,663.44
  5. Step 5: Solve for x
    x = 10,689,658,663.44/121,157.83
  6. Step 6: Final answer
    x = 88,229.20

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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.