Home / 169,911.29-234,243.02-135,572.66

Finding the Fourth Proportional to 169,911.29, 234,243.02 and 135,572.66

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Solution

The fourth proportional to 169,911.29, 234,243.02 and 135,572.66 is: 186,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,911.29 : 234,243.02 = 135,572.66 : x
  2. Step 2: Convert to fraction form
    169,911.29/234,243.02 = 135,572.66/x
  3. Step 3: Cross multiply
    169,911.29x = 234,243.02 × 135,572.66
  4. Step 4: Simplify right side
    169,911.29x = 31,756,947,458.75
  5. Step 5: Solve for x
    x = 31,756,947,458.75/169,911.29
  6. Step 6: Final answer
    x = 186,903.11

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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.