Home / 191,755.13-264,622.32-115,275.06

Finding the Fourth Proportional to 191,755.13, 264,622.32 and 115,275.06

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Solution

The fourth proportional to 191,755.13, 264,622.32 and 115,275.06 is: 159,079.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,755.13 : 264,622.32 = 115,275.06 : x
  2. Step 2: Convert to fraction form
    191,755.13/264,622.32 = 115,275.06/x
  3. Step 3: Cross multiply
    191,755.13x = 264,622.32 × 115,275.06
  4. Step 4: Simplify right side
    191,755.13x = 30,504,353,815.34
  5. Step 5: Solve for x
    x = 30,504,353,815.34/191,755.13
  6. Step 6: Final answer
    x = 159,079.73

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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.