Home / 219,589.16-303,017.12-121,468.25

Finding the Fourth Proportional to 219,589.16, 303,017.12 and 121,468.25

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Solution

The fourth proportional to 219,589.16, 303,017.12 and 121,468.25 is: 167,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,589.16 : 303,017.12 = 121,468.25 : x
  2. Step 2: Convert to fraction form
    219,589.16/303,017.12 = 121,468.25/x
  3. Step 3: Cross multiply
    219,589.16x = 303,017.12 × 121,468.25
  4. Step 4: Simplify right side
    219,589.16x = 36,806,957,164.01
  5. Step 5: Solve for x
    x = 36,806,957,164.01/219,589.16
  6. Step 6: Final answer
    x = 167,617.37

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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.