Home / 130,620.12-196,017.58-47,514.12

Finding the Fourth Proportional to 130,620.12, 196,017.58 and 47,514.12

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Solution

The fourth proportional to 130,620.12, 196,017.58 and 47,514.12 is: 71,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,620.12 : 196,017.58 = 47,514.12 : x
  2. Step 2: Convert to fraction form
    130,620.12/196,017.58 = 47,514.12/x
  3. Step 3: Cross multiply
    130,620.12x = 196,017.58 × 47,514.12
  4. Step 4: Simplify right side
    130,620.12x = 9,313,602,818.23
  5. Step 5: Solve for x
    x = 9,313,602,818.23/130,620.12
  6. Step 6: Final answer
    x = 71,302.97

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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.