Home / 159,501.24-220,106.52-87,881.04

Finding the Fourth Proportional to 159,501.24, 220,106.52 and 87,881.04

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Solution

The fourth proportional to 159,501.24, 220,106.52 and 87,881.04 is: 121,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,501.24 : 220,106.52 = 87,881.04 : x
  2. Step 2: Convert to fraction form
    159,501.24/220,106.52 = 87,881.04/x
  3. Step 3: Cross multiply
    159,501.24x = 220,106.52 × 87,881.04
  4. Step 4: Simplify right side
    159,501.24x = 19,343,189,888.38
  5. Step 5: Solve for x
    x = 19,343,189,888.38/159,501.24
  6. Step 6: Final answer
    x = 121,272.97

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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.