Home / 196,278.40-294,514.80-112,103.20

Finding the Fourth Proportional to 196,278.40, 294,514.80 and 112,103.20

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Solution

The fourth proportional to 196,278.40, 294,514.80 and 112,103.20 is: 168,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,278.40 : 294,514.80 = 112,103.20 : x
  2. Step 2: Convert to fraction form
    196,278.40/294,514.80 = 112,103.20/x
  3. Step 3: Cross multiply
    196,278.40x = 294,514.80 × 112,103.20
  4. Step 4: Simplify right side
    196,278.40x = 33,016,051,527.36
  5. Step 5: Solve for x
    x = 33,016,051,527.36/196,278.40
  6. Step 6: Final answer
    x = 168,210.32

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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.