Home / 169,790.74-234,206.98-100,833.36

Finding the Fourth Proportional to 169,790.74, 234,206.98 and 100,833.36

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Solution

The fourth proportional to 169,790.74, 234,206.98 and 100,833.36 is: 139,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,790.74 : 234,206.98 = 100,833.36 : x
  2. Step 2: Convert to fraction form
    169,790.74/234,206.98 = 100,833.36/x
  3. Step 3: Cross multiply
    169,790.74x = 234,206.98 × 100,833.36
  4. Step 4: Simplify right side
    169,790.74x = 23,615,876,728.85
  5. Step 5: Solve for x
    x = 23,615,876,728.85/169,790.74
  6. Step 6: Final answer
    x = 139,088.13

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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.