Home / 161,682.30-223,125.47-90,063.46

Finding the Fourth Proportional to 161,682.30, 223,125.47 and 90,063.46

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Solution

The fourth proportional to 161,682.30, 223,125.47 and 90,063.46 is: 124,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,682.30 : 223,125.47 = 90,063.46 : x
  2. Step 2: Convert to fraction form
    161,682.30/223,125.47 = 90,063.46/x
  3. Step 3: Cross multiply
    161,682.30x = 223,125.47 × 90,063.46
  4. Step 4: Simplify right side
    161,682.30x = 20,095,451,842.33
  5. Step 5: Solve for x
    x = 20,095,451,842.33/161,682.30
  6. Step 6: Final answer
    x = 124,289.75

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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.