Home / 170,712.96-235,684.80-123,089.28

Finding the Fourth Proportional to 170,712.96, 235,684.80 and 123,089.28

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Solution

The fourth proportional to 170,712.96, 235,684.80 and 123,089.28 is: 169,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,712.96 : 235,684.80 = 123,089.28 : x
  2. Step 2: Convert to fraction form
    170,712.96/235,684.80 = 123,089.28/x
  3. Step 3: Cross multiply
    170,712.96x = 235,684.80 × 123,089.28
  4. Step 4: Simplify right side
    170,712.96x = 29,010,272,338.94
  5. Step 5: Solve for x
    x = 29,010,272,338.94/170,712.96
  6. Step 6: Final answer
    x = 169,935.97

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1.5x scale

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.