Home / 191,676.23-287,145.84-107,180.11

Finding the Fourth Proportional to 191,676.23, 287,145.84 and 107,180.11

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Solution

The fourth proportional to 191,676.23, 287,145.84 and 107,180.11 is: 160,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,676.23 : 287,145.84 = 107,180.11 : x
  2. Step 2: Convert to fraction form
    191,676.23/287,145.84 = 107,180.11/x
  3. Step 3: Cross multiply
    191,676.23x = 287,145.84 × 107,180.11
  4. Step 4: Simplify right side
    191,676.23x = 30,776,322,717.24
  5. Step 5: Solve for x
    x = 30,776,322,717.24/191,676.23
  6. Step 6: Final answer
    x = 160,564.11

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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.