Home / 110,268.34-152,204.57-87,647.47

Finding the Fourth Proportional to 110,268.34, 152,204.57 and 87,647.47

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Solution

The fourth proportional to 110,268.34, 152,204.57 and 87,647.47 is: 120,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,268.34 : 152,204.57 = 87,647.47 : x
  2. Step 2: Convert to fraction form
    110,268.34/152,204.57 = 87,647.47/x
  3. Step 3: Cross multiply
    110,268.34x = 152,204.57 × 87,647.47
  4. Step 4: Simplify right side
    110,268.34x = 13,340,344,992.87
  5. Step 5: Solve for x
    x = 13,340,344,992.87/110,268.34
  6. Step 6: Final answer
    x = 120,980.74

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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.