Home / 191,606.40-264,416.90-111,080.61

Finding the Fourth Proportional to 191,606.40, 264,416.90 and 111,080.61

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Solution

The fourth proportional to 191,606.40, 264,416.90 and 111,080.61 is: 153,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,606.40 : 264,416.90 = 111,080.61 : x
  2. Step 2: Convert to fraction form
    191,606.40/264,416.90 = 111,080.61/x
  3. Step 3: Cross multiply
    191,606.40x = 264,416.90 × 111,080.61
  4. Step 4: Simplify right side
    191,606.40x = 29,371,589,990.91
  5. Step 5: Solve for x
    x = 29,371,589,990.91/191,606.40
  6. Step 6: Final answer
    x = 153,291.28

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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.