Home / 112,184.15-154,786.10-68,565.56

Finding the Fourth Proportional to 112,184.15, 154,786.10 and 68,565.56

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Solution

The fourth proportional to 112,184.15, 154,786.10 and 68,565.56 is: 94,603.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,184.15 : 154,786.10 = 68,565.56 : x
  2. Step 2: Convert to fraction form
    112,184.15/154,786.10 = 68,565.56/x
  3. Step 3: Cross multiply
    112,184.15x = 154,786.10 × 68,565.56
  4. Step 4: Simplify right side
    112,184.15x = 10,612,995,283.89
  5. Step 5: Solve for x
    x = 10,612,995,283.89/112,184.15
  6. Step 6: Final answer
    x = 94,603.34

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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.