Home / 110,170.19-152,081.37-74,408.64

Finding the Fourth Proportional to 110,170.19, 152,081.37 and 74,408.64

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Solution

The fourth proportional to 110,170.19, 152,081.37 and 74,408.64 is: 102,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,170.19 : 152,081.37 = 74,408.64 : x
  2. Step 2: Convert to fraction form
    110,170.19/152,081.37 = 74,408.64/x
  3. Step 3: Cross multiply
    110,170.19x = 152,081.37 × 74,408.64
  4. Step 4: Simplify right side
    110,170.19x = 11,316,167,911.04
  5. Step 5: Solve for x
    x = 11,316,167,911.04/110,170.19
  6. Step 6: Final answer
    x = 102,715.33

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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.