Home / 169,621.25-234,066.67-93,139.81

Finding the Fourth Proportional to 169,621.25, 234,066.67 and 93,139.81

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Solution

The fourth proportional to 169,621.25, 234,066.67 and 93,139.81 is: 128,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,621.25 : 234,066.67 = 93,139.81 : x
  2. Step 2: Convert to fraction form
    169,621.25/234,066.67 = 93,139.81/x
  3. Step 3: Cross multiply
    169,621.25x = 234,066.67 × 93,139.81
  4. Step 4: Simplify right side
    169,621.25x = 21,800,924,514.27
  5. Step 5: Solve for x
    x = 21,800,924,514.27/169,621.25
  6. Step 6: Final answer
    x = 128,527.09

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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.