Home / 109,229.80-163,516.65-64,833.70

Finding the Fourth Proportional to 109,229.80, 163,516.65 and 64,833.70

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Solution

The fourth proportional to 109,229.80, 163,516.65 and 64,833.70 is: 97,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,229.80 : 163,516.65 = 64,833.70 : x
  2. Step 2: Convert to fraction form
    109,229.80/163,516.65 = 64,833.70/x
  3. Step 3: Cross multiply
    109,229.80x = 163,516.65 × 64,833.70
  4. Step 4: Simplify right side
    109,229.80x = 10,601,389,431.11
  5. Step 5: Solve for x
    x = 10,601,389,431.11/109,229.80
  6. Step 6: Final answer
    x = 97,055.83

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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.