Home / 179,716.50-248,008.77-100,228.50

Finding the Fourth Proportional to 179,716.50, 248,008.77 and 100,228.50

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Solution

The fourth proportional to 179,716.50, 248,008.77 and 100,228.50 is: 138,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,716.50 : 248,008.77 = 100,228.50 : x
  2. Step 2: Convert to fraction form
    179,716.50/248,008.77 = 100,228.50/x
  3. Step 3: Cross multiply
    179,716.50x = 248,008.77 × 100,228.50
  4. Step 4: Simplify right side
    179,716.50x = 24,857,547,003.95
  5. Step 5: Solve for x
    x = 24,857,547,003.95/179,716.50
  6. Step 6: Final answer
    x = 138,315.33

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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.