Home / 191,734.80-264,581.92-105,689.04

Finding the Fourth Proportional to 191,734.80, 264,581.92 and 105,689.04

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Solution

The fourth proportional to 191,734.80, 264,581.92 and 105,689.04 is: 145,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,734.80 : 264,581.92 = 105,689.04 : x
  2. Step 2: Convert to fraction form
    191,734.80/264,581.92 = 105,689.04/x
  3. Step 3: Cross multiply
    191,734.80x = 264,581.92 × 105,689.04
  4. Step 4: Simplify right side
    191,734.80x = 27,963,409,126.16
  5. Step 5: Solve for x
    x = 27,963,409,126.16/191,734.80
  6. Step 6: Final answer
    x = 145,844.20

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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.