Home / 130,249.04-179,753.33-72,894.10

Finding the Fourth Proportional to 130,249.04, 179,753.33 and 72,894.10

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Solution

The fourth proportional to 130,249.04, 179,753.33 and 72,894.10 is: 100,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,249.04 : 179,753.33 = 72,894.10 : x
  2. Step 2: Convert to fraction form
    130,249.04/179,753.33 = 72,894.10/x
  3. Step 3: Cross multiply
    130,249.04x = 179,753.33 × 72,894.10
  4. Step 4: Simplify right side
    130,249.04x = 13,102,957,377.77
  5. Step 5: Solve for x
    x = 13,102,957,377.77/130,249.04
  6. Step 6: Final answer
    x = 100,599.26

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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.