Home / 170,705.86-235,616.25-103,694.02

Finding the Fourth Proportional to 170,705.86, 235,616.25 and 103,694.02

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Solution

The fourth proportional to 170,705.86, 235,616.25 and 103,694.02 is: 143,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,705.86 : 235,616.25 = 103,694.02 : x
  2. Step 2: Convert to fraction form
    170,705.86/235,616.25 = 103,694.02/x
  3. Step 3: Cross multiply
    170,705.86x = 235,616.25 × 103,694.02
  4. Step 4: Simplify right side
    170,705.86x = 24,431,996,139.83
  5. Step 5: Solve for x
    x = 24,431,996,139.83/170,705.86
  6. Step 6: Final answer
    x = 143,123.36

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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.