Home / 581,979.15-872,969.07-161,255.03

Finding the Fourth Proportional to 581,979.15, 872,969.07 and 161,255.03

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Solution

The fourth proportional to 581,979.15, 872,969.07 and 161,255.03 is: 241,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,979.15 : 872,969.07 = 161,255.03 : x
  2. Step 2: Convert to fraction form
    581,979.15/872,969.07 = 161,255.03/x
  3. Step 3: Cross multiply
    581,979.15x = 872,969.07 × 161,255.03
  4. Step 4: Simplify right side
    581,979.15x = 140,770,651,813.48
  5. Step 5: Solve for x
    x = 140,770,651,813.48/581,979.15
  6. Step 6: Final answer
    x = 241,882.64

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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.