Home / 191,585.12-264,387.78-111,028.16

Finding the Fourth Proportional to 191,585.12, 264,387.78 and 111,028.16

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Solution

The fourth proportional to 191,585.12, 264,387.78 and 111,028.16 is: 153,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,585.12 : 264,387.78 = 111,028.16 : x
  2. Step 2: Convert to fraction form
    191,585.12/264,387.78 = 111,028.16/x
  3. Step 3: Cross multiply
    191,585.12x = 264,387.78 × 111,028.16
  4. Step 4: Simplify right side
    191,585.12x = 29,354,488,739.88
  5. Step 5: Solve for x
    x = 29,354,488,739.88/191,585.12
  6. Step 6: Final answer
    x = 153,219.04

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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.