Home / 109,232.29-163,589.94-69,669.46

Finding the Fourth Proportional to 109,232.29, 163,589.94 and 69,669.46

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Solution

The fourth proportional to 109,232.29, 163,589.94 and 69,669.46 is: 104,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,232.29 : 163,589.94 = 69,669.46 : x
  2. Step 2: Convert to fraction form
    109,232.29/163,589.94 = 69,669.46/x
  3. Step 3: Cross multiply
    109,232.29x = 163,589.94 × 69,669.46
  4. Step 4: Simplify right side
    109,232.29x = 11,397,222,781.23
  5. Step 5: Solve for x
    x = 11,397,222,781.23/109,232.29
  6. Step 6: Final answer
    x = 104,339.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.