Home / 112,233.84-154,774.62-75,522.78

Finding the Fourth Proportional to 112,233.84, 154,774.62 and 75,522.78

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Solution

The fourth proportional to 112,233.84, 154,774.62 and 75,522.78 is: 104,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,233.84 : 154,774.62 = 75,522.78 : x
  2. Step 2: Convert to fraction form
    112,233.84/154,774.62 = 75,522.78/x
  3. Step 3: Cross multiply
    112,233.84x = 154,774.62 × 75,522.78
  4. Step 4: Simplify right side
    112,233.84x = 11,689,009,575.84
  5. Step 5: Solve for x
    x = 11,689,009,575.84/112,233.84
  6. Step 6: Final answer
    x = 104,148.71

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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.