Home / 169,872.27-234,417.75-93,390.81

Finding the Fourth Proportional to 169,872.27, 234,417.75 and 93,390.81

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Solution

The fourth proportional to 169,872.27, 234,417.75 and 93,390.81 is: 128,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,872.27 : 234,417.75 = 93,390.81 : x
  2. Step 2: Convert to fraction form
    169,872.27/234,417.75 = 93,390.81/x
  3. Step 3: Cross multiply
    169,872.27x = 234,417.75 × 93,390.81
  4. Step 4: Simplify right side
    169,872.27x = 21,892,462,846.92
  5. Step 5: Solve for x
    x = 21,892,462,846.92/169,872.27
  6. Step 6: Final answer
    x = 128,876.03

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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.