Home / 130,680.61-196,020.92-37,186.36

Finding the Fourth Proportional to 130,680.61, 196,020.92 and 37,186.36

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Solution

The fourth proportional to 130,680.61, 196,020.92 and 37,186.36 is: 55,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,680.61 : 196,020.92 = 37,186.36 : x
  2. Step 2: Convert to fraction form
    130,680.61/196,020.92 = 37,186.36/x
  3. Step 3: Cross multiply
    130,680.61x = 196,020.92 × 37,186.36
  4. Step 4: Simplify right side
    130,680.61x = 7,289,304,498.65
  5. Step 5: Solve for x
    x = 7,289,304,498.65/130,680.61
  6. Step 6: Final answer
    x = 55,779.54

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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.