Home / 124,484.58-186,726.06-74,578.86

Finding the Fourth Proportional to 124,484.58, 186,726.06 and 74,578.86

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Solution

The fourth proportional to 124,484.58, 186,726.06 and 74,578.86 is: 111,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,484.58 : 186,726.06 = 74,578.86 : x
  2. Step 2: Convert to fraction form
    124,484.58/186,726.06 = 74,578.86/x
  3. Step 3: Cross multiply
    124,484.58x = 186,726.06 × 74,578.86
  4. Step 4: Simplify right side
    124,484.58x = 13,925,816,687.09
  5. Step 5: Solve for x
    x = 13,925,816,687.09/124,484.58
  6. Step 6: Final answer
    x = 111,867.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.