Home / 115,558.23-159,519.47-70,250.69

Finding the Fourth Proportional to 115,558.23, 159,519.47 and 70,250.69

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Solution

The fourth proportional to 115,558.23, 159,519.47 and 70,250.69 is: 96,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,558.23 : 159,519.47 = 70,250.69 : x
  2. Step 2: Convert to fraction form
    115,558.23/159,519.47 = 70,250.69/x
  3. Step 3: Cross multiply
    115,558.23x = 159,519.47 × 70,250.69
  4. Step 4: Simplify right side
    115,558.23x = 11,206,351,950.52
  5. Step 5: Solve for x
    x = 11,206,351,950.52/115,558.23
  6. Step 6: Final answer
    x = 96,975.80

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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.