Home / 161,601.70-223,008.18-89,981.73

Finding the Fourth Proportional to 161,601.70, 223,008.18 and 89,981.73

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Solution

The fourth proportional to 161,601.70, 223,008.18 and 89,981.73 is: 124,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,601.70 : 223,008.18 = 89,981.73 : x
  2. Step 2: Convert to fraction form
    161,601.70/223,008.18 = 89,981.73/x
  3. Step 3: Cross multiply
    161,601.70x = 223,008.18 × 89,981.73
  4. Step 4: Simplify right side
    161,601.70x = 20,066,661,840.55
  5. Step 5: Solve for x
    x = 20,066,661,840.55/161,601.70
  6. Step 6: Final answer
    x = 124,173.58

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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.