Home / 176,106.80-243,049.32-115,727.37

Finding the Fourth Proportional to 176,106.80, 243,049.32 and 115,727.37

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Solution

The fourth proportional to 176,106.80, 243,049.32 and 115,727.37 is: 159,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,106.80 : 243,049.32 = 115,727.37 : x
  2. Step 2: Convert to fraction form
    176,106.80/243,049.32 = 115,727.37/x
  3. Step 3: Cross multiply
    176,106.80x = 243,049.32 × 115,727.37
  4. Step 4: Simplify right side
    176,106.80x = 28,127,458,583.89
  5. Step 5: Solve for x
    x = 28,127,458,583.89/176,106.80
  6. Step 6: Final answer
    x = 159,718.19

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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.