Home / 130,795.40-196,211.55-42,019.14

Finding the Fourth Proportional to 130,795.40, 196,211.55 and 42,019.14

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Solution

The fourth proportional to 130,795.40, 196,211.55 and 42,019.14 is: 63,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,795.40 : 196,211.55 = 42,019.14 : x
  2. Step 2: Convert to fraction form
    130,795.40/196,211.55 = 42,019.14/x
  3. Step 3: Cross multiply
    130,795.40x = 196,211.55 × 42,019.14
  4. Step 4: Simplify right side
    130,795.40x = 8,244,640,589.07
  5. Step 5: Solve for x
    x = 8,244,640,589.07/130,795.40
  6. Step 6: Final answer
    x = 63,034.64

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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.