Home / 111,231.74-153,509.26-62,842.56

Finding the Fourth Proportional to 111,231.74, 153,509.26 and 62,842.56

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Solution

The fourth proportional to 111,231.74, 153,509.26 and 62,842.56 is: 86,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,231.74 : 153,509.26 = 62,842.56 : x
  2. Step 2: Convert to fraction form
    111,231.74/153,509.26 = 62,842.56/x
  3. Step 3: Cross multiply
    111,231.74x = 153,509.26 × 62,842.56
  4. Step 4: Simplify right side
    111,231.74x = 9,646,914,882.11
  5. Step 5: Solve for x
    x = 9,646,914,882.11/111,231.74
  6. Step 6: Final answer
    x = 86,728.08

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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.