Home / 193,595.92-290,406.68-51,439.12

Finding the Fourth Proportional to 193,595.92, 290,406.68 and 51,439.12

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Solution

The fourth proportional to 193,595.92, 290,406.68 and 51,439.12 is: 77,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,595.92 : 290,406.68 = 51,439.12 : x
  2. Step 2: Convert to fraction form
    193,595.92/290,406.68 = 51,439.12/x
  3. Step 3: Cross multiply
    193,595.92x = 290,406.68 × 51,439.12
  4. Step 4: Simplify right side
    193,595.92x = 14,938,264,061.32
  5. Step 5: Solve for x
    x = 14,938,264,061.32/193,595.92
  6. Step 6: Final answer
    x = 77,162.08

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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.