Home / 111,974.86-154,526.61-64,232.65

Finding the Fourth Proportional to 111,974.86, 154,526.61 and 64,232.65

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Solution

The fourth proportional to 111,974.86, 154,526.61 and 64,232.65 is: 88,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,974.86 : 154,526.61 = 64,232.65 : x
  2. Step 2: Convert to fraction form
    111,974.86/154,526.61 = 64,232.65/x
  3. Step 3: Cross multiply
    111,974.86x = 154,526.61 × 64,232.65
  4. Step 4: Simplify right side
    111,974.86x = 9,925,653,655.82
  5. Step 5: Solve for x
    x = 9,925,653,655.82/111,974.86
  6. Step 6: Final answer
    x = 88,641.80

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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.