Home / 123,317.86-170,179.23-69,605.14

Finding the Fourth Proportional to 123,317.86, 170,179.23 and 69,605.14

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Solution

The fourth proportional to 123,317.86, 170,179.23 and 69,605.14 is: 96,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,317.86 : 170,179.23 = 69,605.14 : x
  2. Step 2: Convert to fraction form
    123,317.86/170,179.23 = 69,605.14/x
  3. Step 3: Cross multiply
    123,317.86x = 170,179.23 × 69,605.14
  4. Step 4: Simplify right side
    123,317.86x = 11,845,349,129.24
  5. Step 5: Solve for x
    x = 11,845,349,129.24/123,317.86
  6. Step 6: Final answer
    x = 96,055.42

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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.