Home / 158,158.10-236,974.70-111,312.56

Finding the Fourth Proportional to 158,158.10, 236,974.70 and 111,312.56

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Solution

The fourth proportional to 158,158.10, 236,974.70 and 111,312.56 is: 166,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,158.10 : 236,974.70 = 111,312.56 : x
  2. Step 2: Convert to fraction form
    158,158.10/236,974.70 = 111,312.56/x
  3. Step 3: Cross multiply
    158,158.10x = 236,974.70 × 111,312.56
  4. Step 4: Simplify right side
    158,158.10x = 26,378,258,770.80
  5. Step 5: Solve for x
    x = 26,378,258,770.80/158,158.10
  6. Step 6: Final answer
    x = 166,784.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.