Home / 191,458.11-264,236.97-109,818.21

Finding the Fourth Proportional to 191,458.11, 264,236.97 and 109,818.21

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Solution

The fourth proportional to 191,458.11, 264,236.97 and 109,818.21 is: 151,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,458.11 : 264,236.97 = 109,818.21 : x
  2. Step 2: Convert to fraction form
    191,458.11/264,236.97 = 109,818.21/x
  3. Step 3: Cross multiply
    191,458.11x = 264,236.97 × 109,818.21
  4. Step 4: Simplify right side
    191,458.11x = 29,018,031,061.22
  5. Step 5: Solve for x
    x = 29,018,031,061.22/191,458.11
  6. Step 6: Final answer
    x = 151,563.34

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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.