Home / 196,019.80-293,640.90-112,816.60

Finding the Fourth Proportional to 196,019.80, 293,640.90 and 112,816.60

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Solution

The fourth proportional to 196,019.80, 293,640.90 and 112,816.60 is: 169,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,019.80 : 293,640.90 = 112,816.60 : x
  2. Step 2: Convert to fraction form
    196,019.80/293,640.90 = 112,816.60/x
  3. Step 3: Cross multiply
    196,019.80x = 293,640.90 × 112,816.60
  4. Step 4: Simplify right side
    196,019.80x = 33,127,567,958.94
  5. Step 5: Solve for x
    x = 33,127,567,958.94/196,019.80
  6. Step 6: Final answer
    x = 169,001.13

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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.