Home / 161,993.85-223,567.02-90,380.52

Finding the Fourth Proportional to 161,993.85, 223,567.02 and 90,380.52

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Solution

The fourth proportional to 161,993.85, 223,567.02 and 90,380.52 is: 124,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,993.85 : 223,567.02 = 90,380.52 : x
  2. Step 2: Convert to fraction form
    161,993.85/223,567.02 = 90,380.52/x
  3. Step 3: Cross multiply
    161,993.85x = 223,567.02 × 90,380.52
  4. Step 4: Simplify right side
    161,993.85x = 20,206,103,522.45
  5. Step 5: Solve for x
    x = 20,206,103,522.45/161,993.85
  6. Step 6: Final answer
    x = 124,733.77

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1.5x scale

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.