Home / 191,774.13-287,663.63-73,452.57

Finding the Fourth Proportional to 191,774.13, 287,663.63 and 73,452.57

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Solution

The fourth proportional to 191,774.13, 287,663.63 and 73,452.57 is: 110,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,774.13 : 287,663.63 = 73,452.57 : x
  2. Step 2: Convert to fraction form
    191,774.13/287,663.63 = 73,452.57/x
  3. Step 3: Cross multiply
    191,774.13x = 287,663.63 × 73,452.57
  4. Step 4: Simplify right side
    191,774.13x = 21,129,632,551.77
  5. Step 5: Solve for x
    x = 21,129,632,551.77/191,774.13
  6. Step 6: Final answer
    x = 110,179.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.