Home / 191,928.38-287,929.47-73,590.48

Finding the Fourth Proportional to 191,928.38, 287,929.47 and 73,590.48

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Solution

The fourth proportional to 191,928.38, 287,929.47 and 73,590.48 is: 110,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,928.38 : 287,929.47 = 73,590.48 : x
  2. Step 2: Convert to fraction form
    191,928.38/287,929.47 = 73,590.48/x
  3. Step 3: Cross multiply
    191,928.38x = 287,929.47 × 73,590.48
  4. Step 4: Simplify right side
    191,928.38x = 21,188,868,263.36
  5. Step 5: Solve for x
    x = 21,188,868,263.36/191,928.38
  6. Step 6: Final answer
    x = 110,399.87

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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.