Home / 161,933.68-223,468.88-90,318.34

Finding the Fourth Proportional to 161,933.68, 223,468.88 and 90,318.34

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Solution

The fourth proportional to 161,933.68, 223,468.88 and 90,318.34 is: 124,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,933.68 : 223,468.88 = 90,318.34 : x
  2. Step 2: Convert to fraction form
    161,933.68/223,468.88 = 90,318.34/x
  3. Step 3: Cross multiply
    161,933.68x = 223,468.88 × 90,318.34
  4. Step 4: Simplify right side
    161,933.68x = 20,183,337,831.67
  5. Step 5: Solve for x
    x = 20,183,337,831.67/161,933.68
  6. Step 6: Final answer
    x = 124,639.53

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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.