Home / 217,577.52-326,365.83-122,764.66

Finding the Fourth Proportional to 217,577.52, 326,365.83 and 122,764.66

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Solution

The fourth proportional to 217,577.52, 326,365.83 and 122,764.66 is: 184,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,577.52 : 326,365.83 = 122,764.66 : x
  2. Step 2: Convert to fraction form
    217,577.52/326,365.83 = 122,764.66/x
  3. Step 3: Cross multiply
    217,577.52x = 326,365.83 × 122,764.66
  4. Step 4: Simplify right side
    217,577.52x = 40,066,190,155.57
  5. Step 5: Solve for x
    x = 40,066,190,155.57/217,577.52
  6. Step 6: Final answer
    x = 184,146.74

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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.