Home / 179,699.69-247,986.26-99,126.05

Finding the Fourth Proportional to 179,699.69, 247,986.26 and 99,126.05

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Solution

The fourth proportional to 179,699.69, 247,986.26 and 99,126.05 is: 136,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,699.69 : 247,986.26 = 99,126.05 : x
  2. Step 2: Convert to fraction form
    179,699.69/247,986.26 = 99,126.05/x
  3. Step 3: Cross multiply
    179,699.69x = 247,986.26 × 99,126.05
  4. Step 4: Simplify right side
    179,699.69x = 24,581,896,672.51
  5. Step 5: Solve for x
    x = 24,581,896,672.51/179,699.69
  6. Step 6: Final answer
    x = 136,794.32

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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.