Home / 151,933.32-209,616.66-88,218.72

Finding the Fourth Proportional to 151,933.32, 209,616.66 and 88,218.72

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Solution

The fourth proportional to 151,933.32, 209,616.66 and 88,218.72 is: 121,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,933.32 : 209,616.66 = 88,218.72 : x
  2. Step 2: Convert to fraction form
    151,933.32/209,616.66 = 88,218.72/x
  3. Step 3: Cross multiply
    151,933.32x = 209,616.66 × 88,218.72
  4. Step 4: Simplify right side
    151,933.32x = 18,492,113,435.88
  5. Step 5: Solve for x
    x = 18,492,113,435.88/151,933.32
  6. Step 6: Final answer
    x = 121,712.03

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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.