Home / 179,103.12-247,328.28-115,550.16

Finding the Fourth Proportional to 179,103.12, 247,328.28 and 115,550.16

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Solution

The fourth proportional to 179,103.12, 247,328.28 and 115,550.16 is: 159,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,103.12 : 247,328.28 = 115,550.16 : x
  2. Step 2: Convert to fraction form
    179,103.12/247,328.28 = 115,550.16/x
  3. Step 3: Cross multiply
    179,103.12x = 247,328.28 × 115,550.16
  4. Step 4: Simplify right side
    179,103.12x = 28,578,822,326.52
  5. Step 5: Solve for x
    x = 28,578,822,326.52/179,103.12
  6. Step 6: Final answer
    x = 159,566.30

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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.