Home / 154,104.04-212,610.54-113,902.12

Finding the Fourth Proportional to 154,104.04, 212,610.54 and 113,902.12

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Solution

The fourth proportional to 154,104.04, 212,610.54 and 113,902.12 is: 157,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,104.04 : 212,610.54 = 113,902.12 : x
  2. Step 2: Convert to fraction form
    154,104.04/212,610.54 = 113,902.12/x
  3. Step 3: Cross multiply
    154,104.04x = 212,610.54 × 113,902.12
  4. Step 4: Simplify right side
    154,104.04x = 24,216,791,240.34
  5. Step 5: Solve for x
    x = 24,216,791,240.34/154,104.04
  6. Step 6: Final answer
    x = 157,145.73

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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.