Home / 117,352.35-161,886.24-74,259.33

Finding the Fourth Proportional to 117,352.35, 161,886.24 and 74,259.33

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Solution

The fourth proportional to 117,352.35, 161,886.24 and 74,259.33 is: 102,439.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,352.35 : 161,886.24 = 74,259.33 : x
  2. Step 2: Convert to fraction form
    117,352.35/161,886.24 = 74,259.33/x
  3. Step 3: Cross multiply
    117,352.35x = 161,886.24 × 74,259.33
  4. Step 4: Simplify right side
    117,352.35x = 12,021,563,718.62
  5. Step 5: Solve for x
    x = 12,021,563,718.62/117,352.35
  6. Step 6: Final answer
    x = 102,439.91

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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.