Home / 196,015.80-293,634.90-112,812.60

Finding the Fourth Proportional to 196,015.80, 293,634.90 and 112,812.60

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Solution

The fourth proportional to 196,015.80, 293,634.90 and 112,812.60 is: 168,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,015.80 : 293,634.90 = 112,812.60 : x
  2. Step 2: Convert to fraction form
    196,015.80/293,634.90 = 112,812.60/x
  3. Step 3: Cross multiply
    196,015.80x = 293,634.90 × 112,812.60
  4. Step 4: Simplify right side
    196,015.80x = 33,125,716,519.74
  5. Step 5: Solve for x
    x = 33,125,716,519.74/196,015.80
  6. Step 6: Final answer
    x = 168,995.13

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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.