Home / 102,079.13-153,149.79-52,194.26

Finding the Fourth Proportional to 102,079.13, 153,149.79 and 52,194.26

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Solution

The fourth proportional to 102,079.13, 153,149.79 and 52,194.26 is: 78,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,079.13 : 153,149.79 = 52,194.26 : x
  2. Step 2: Convert to fraction form
    102,079.13/153,149.79 = 52,194.26/x
  3. Step 3: Cross multiply
    102,079.13x = 153,149.79 × 52,194.26
  4. Step 4: Simplify right side
    102,079.13x = 7,993,539,192.46
  5. Step 5: Solve for x
    x = 7,993,539,192.46/102,079.13
  6. Step 6: Final answer
    x = 78,307.29

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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.