Home / 153,961.76-230,942.54-112,108.09

Finding the Fourth Proportional to 153,961.76, 230,942.54 and 112,108.09

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Solution

The fourth proportional to 153,961.76, 230,942.54 and 112,108.09 is: 168,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,961.76 : 230,942.54 = 112,108.09 : x
  2. Step 2: Convert to fraction form
    153,961.76/230,942.54 = 112,108.09/x
  3. Step 3: Cross multiply
    153,961.76x = 230,942.54 × 112,108.09
  4. Step 4: Simplify right side
    153,961.76x = 25,890,526,715.82
  5. Step 5: Solve for x
    x = 25,890,526,715.82/153,961.76
  6. Step 6: Final answer
    x = 168,162.06

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1.5x scale

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.