Home / 163,772.64-226,016.55-99,247.55

Finding the Fourth Proportional to 163,772.64, 226,016.55 and 99,247.55

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Solution

The fourth proportional to 163,772.64, 226,016.55 and 99,247.55 is: 136,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,772.64 : 226,016.55 = 99,247.55 : x
  2. Step 2: Convert to fraction form
    163,772.64/226,016.55 = 99,247.55/x
  3. Step 3: Cross multiply
    163,772.64x = 226,016.55 × 99,247.55
  4. Step 4: Simplify right side
    163,772.64x = 22,431,587,716.87
  5. Step 5: Solve for x
    x = 22,431,587,716.87/163,772.64
  6. Step 6: Final answer
    x = 136,967.86

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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.