Home / 101,176.77-139,624.25-55,236.49

Finding the Fourth Proportional to 101,176.77, 139,624.25 and 55,236.49

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Solution

The fourth proportional to 101,176.77, 139,624.25 and 55,236.49 is: 76,226.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,176.77 : 139,624.25 = 55,236.49 : x
  2. Step 2: Convert to fraction form
    101,176.77/139,624.25 = 55,236.49/x
  3. Step 3: Cross multiply
    101,176.77x = 139,624.25 × 55,236.49
  4. Step 4: Simplify right side
    101,176.77x = 7,712,352,863.64
  5. Step 5: Solve for x
    x = 7,712,352,863.64/101,176.77
  6. Step 6: Final answer
    x = 76,226.52

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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.