Home / 112,325.96-154,972.46-74,104.48

Finding the Fourth Proportional to 112,325.96, 154,972.46 and 74,104.48

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Solution

The fourth proportional to 112,325.96, 154,972.46 and 74,104.48 is: 102,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,325.96 : 154,972.46 = 74,104.48 : x
  2. Step 2: Convert to fraction form
    112,325.96/154,972.46 = 74,104.48/x
  3. Step 3: Cross multiply
    112,325.96x = 154,972.46 × 74,104.48
  4. Step 4: Simplify right side
    112,325.96x = 11,484,153,562.62
  5. Step 5: Solve for x
    x = 11,484,153,562.62/112,325.96
  6. Step 6: Final answer
    x = 102,239.53

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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.