Home / 151,917.04-209,579.65-91,452.65

Finding the Fourth Proportional to 151,917.04, 209,579.65 and 91,452.65

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Solution

The fourth proportional to 151,917.04, 209,579.65 and 91,452.65 is: 126,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,917.04 : 209,579.65 = 91,452.65 : x
  2. Step 2: Convert to fraction form
    151,917.04/209,579.65 = 91,452.65/x
  3. Step 3: Cross multiply
    151,917.04x = 209,579.65 × 91,452.65
  4. Step 4: Simplify right side
    151,917.04x = 19,166,613,691.49
  5. Step 5: Solve for x
    x = 19,166,613,691.49/151,917.04
  6. Step 6: Final answer
    x = 126,165.00

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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.