Home / 98,169.18-147,130.26-53,188.83

Finding the Fourth Proportional to 98,169.18, 147,130.26 and 53,188.83

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Solution

The fourth proportional to 98,169.18, 147,130.26 and 53,188.83 is: 79,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,169.18 : 147,130.26 = 53,188.83 : x
  2. Step 2: Convert to fraction form
    98,169.18/147,130.26 = 53,188.83/x
  3. Step 3: Cross multiply
    98,169.18x = 147,130.26 × 53,188.83
  4. Step 4: Simplify right side
    98,169.18x = 7,825,686,387.00
  5. Step 5: Solve for x
    x = 7,825,686,387.00/98,169.18
  6. Step 6: Final answer
    x = 79,716.33

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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.