Home / 111,270.24-153,559.08-63,538.92

Finding the Fourth Proportional to 111,270.24, 153,559.08 and 63,538.92

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Solution

The fourth proportional to 111,270.24, 153,559.08 and 63,538.92 is: 87,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,270.24 : 153,559.08 = 63,538.92 : x
  2. Step 2: Convert to fraction form
    111,270.24/153,559.08 = 63,538.92/x
  3. Step 3: Cross multiply
    111,270.24x = 153,559.08 × 63,538.92
  4. Step 4: Simplify right side
    111,270.24x = 9,756,978,099.39
  5. Step 5: Solve for x
    x = 9,756,978,099.39/111,270.24
  6. Step 6: Final answer
    x = 87,687.22

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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.