Home / 161,319.59-241,979.36-76,823.57

Finding the Fourth Proportional to 161,319.59, 241,979.36 and 76,823.57

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Solution

The fourth proportional to 161,319.59, 241,979.36 and 76,823.57 is: 115,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,319.59 : 241,979.36 = 76,823.57 : x
  2. Step 2: Convert to fraction form
    161,319.59/241,979.36 = 76,823.57/x
  3. Step 3: Cross multiply
    161,319.59x = 241,979.36 × 76,823.57
  4. Step 4: Simplify right side
    161,319.59x = 18,589,716,707.50
  5. Step 5: Solve for x
    x = 18,589,716,707.50/161,319.59
  6. Step 6: Final answer
    x = 115,235.33

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1.5x scale

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.