Home / 191,245.52-263,915.07-106,360.76

Finding the Fourth Proportional to 191,245.52, 263,915.07 and 106,360.76

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Solution

The fourth proportional to 191,245.52, 263,915.07 and 106,360.76 is: 146,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,245.52 : 263,915.07 = 106,360.76 : x
  2. Step 2: Convert to fraction form
    191,245.52/263,915.07 = 106,360.76/x
  3. Step 3: Cross multiply
    191,245.52x = 263,915.07 × 106,360.76
  4. Step 4: Simplify right side
    191,245.52x = 28,070,207,420.65
  5. Step 5: Solve for x
    x = 28,070,207,420.65/191,245.52
  6. Step 6: Final answer
    x = 146,775.76

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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.