Home / 191,680.13-264,520.37-105,642.18

Finding the Fourth Proportional to 191,680.13, 264,520.37 and 105,642.18

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Solution

The fourth proportional to 191,680.13, 264,520.37 and 105,642.18 is: 145,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,680.13 : 264,520.37 = 105,642.18 : x
  2. Step 2: Convert to fraction form
    191,680.13/264,520.37 = 105,642.18/x
  3. Step 3: Cross multiply
    191,680.13x = 264,520.37 × 105,642.18
  4. Step 4: Simplify right side
    191,680.13x = 27,944,508,013.00
  5. Step 5: Solve for x
    x = 27,944,508,013.00/191,680.13
  6. Step 6: Final answer
    x = 145,787.20

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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.