Home / 115,954.78-173,620.39-73,605.61

Finding the Fourth Proportional to 115,954.78, 173,620.39 and 73,605.61

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Solution

The fourth proportional to 115,954.78, 173,620.39 and 73,605.61 is: 110,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,954.78 : 173,620.39 = 73,605.61 : x
  2. Step 2: Convert to fraction form
    115,954.78/173,620.39 = 73,605.61/x
  3. Step 3: Cross multiply
    115,954.78x = 173,620.39 × 73,605.61
  4. Step 4: Simplify right side
    115,954.78x = 12,779,434,714.39
  5. Step 5: Solve for x
    x = 12,779,434,714.39/115,954.78
  6. Step 6: Final answer
    x = 110,210.50

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1.5x scale

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.