Home / 168,051.24-252,032.86-79,281.32

Finding the Fourth Proportional to 168,051.24, 252,032.86 and 79,281.32

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Solution

The fourth proportional to 168,051.24, 252,032.86 and 79,281.32 is: 118,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,051.24 : 252,032.86 = 79,281.32 : x
  2. Step 2: Convert to fraction form
    168,051.24/252,032.86 = 79,281.32/x
  3. Step 3: Cross multiply
    168,051.24x = 252,032.86 × 79,281.32
  4. Step 4: Simplify right side
    168,051.24x = 19,981,497,824.18
  5. Step 5: Solve for x
    x = 19,981,497,824.18/168,051.24
  6. Step 6: Final answer
    x = 118,901.22

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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.