Home / 112,233.32-154,877.15-61,244.79

Finding the Fourth Proportional to 112,233.32, 154,877.15 and 61,244.79

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Solution

The fourth proportional to 112,233.32, 154,877.15 and 61,244.79 is: 84,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,233.32 : 154,877.15 = 61,244.79 : x
  2. Step 2: Convert to fraction form
    112,233.32/154,877.15 = 61,244.79/x
  3. Step 3: Cross multiply
    112,233.32x = 154,877.15 × 61,244.79
  4. Step 4: Simplify right side
    112,233.32x = 9,485,418,221.32
  5. Step 5: Solve for x
    x = 9,485,418,221.32/112,233.32
  6. Step 6: Final answer
    x = 84,515.17

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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.