Home / 191,581.10-264,381.90-106,698.17

Finding the Fourth Proportional to 191,581.10, 264,381.90 and 106,698.17

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Solution

The fourth proportional to 191,581.10, 264,381.90 and 106,698.17 is: 147,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,581.10 : 264,381.90 = 106,698.17 : x
  2. Step 2: Convert to fraction form
    191,581.10/264,381.90 = 106,698.17/x
  3. Step 3: Cross multiply
    191,581.10x = 264,381.90 × 106,698.17
  4. Step 4: Simplify right side
    191,581.10x = 28,209,063,589.21
  5. Step 5: Solve for x
    x = 28,209,063,589.21/191,581.10
  6. Step 6: Final answer
    x = 147,243.46

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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.