Home / 159,980.24-220,646.76-149,249.36

Finding the Fourth Proportional to 159,980.24, 220,646.76 and 149,249.36

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Solution

The fourth proportional to 159,980.24, 220,646.76 and 149,249.36 is: 205,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,980.24 : 220,646.76 = 149,249.36 : x
  2. Step 2: Convert to fraction form
    159,980.24/220,646.76 = 149,249.36/x
  3. Step 3: Cross multiply
    159,980.24x = 220,646.76 × 149,249.36
  4. Step 4: Simplify right side
    159,980.24x = 32,931,387,716.07
  5. Step 5: Solve for x
    x = 32,931,387,716.07/159,980.24
  6. Step 6: Final answer
    x = 205,846.60

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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.