Home / 171,290.06-236,408.28-117,530.72

Finding the Fourth Proportional to 171,290.06, 236,408.28 and 117,530.72

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Solution

The fourth proportional to 171,290.06, 236,408.28 and 117,530.72 is: 162,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,290.06 : 236,408.28 = 117,530.72 : x
  2. Step 2: Convert to fraction form
    171,290.06/236,408.28 = 117,530.72/x
  3. Step 3: Cross multiply
    171,290.06x = 236,408.28 × 117,530.72
  4. Step 4: Simplify right side
    171,290.06x = 27,785,235,362.36
  5. Step 5: Solve for x
    x = 27,785,235,362.36/171,290.06
  6. Step 6: Final answer
    x = 162,211.60

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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.