Home / 130,812.75-196,248.38-47,706.75

Finding the Fourth Proportional to 130,812.75, 196,248.38 and 47,706.75

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Solution

The fourth proportional to 130,812.75, 196,248.38 and 47,706.75 is: 71,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,812.75 : 196,248.38 = 47,706.75 : x
  2. Step 2: Convert to fraction form
    130,812.75/196,248.38 = 47,706.75/x
  3. Step 3: Cross multiply
    130,812.75x = 196,248.38 × 47,706.75
  4. Step 4: Simplify right side
    130,812.75x = 9,362,372,164.03
  5. Step 5: Solve for x
    x = 9,362,372,164.03/130,812.75
  6. Step 6: Final answer
    x = 71,570.79

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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.