Home / 130,801.55-196,202.33-51,875.15

Finding the Fourth Proportional to 130,801.55, 196,202.33 and 51,875.15

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Solution

The fourth proportional to 130,801.55, 196,202.33 and 51,875.15 is: 77,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,801.55 : 196,202.33 = 51,875.15 : x
  2. Step 2: Convert to fraction form
    130,801.55/196,202.33 = 51,875.15/x
  3. Step 3: Cross multiply
    130,801.55x = 196,202.33 × 51,875.15
  4. Step 4: Simplify right side
    130,801.55x = 10,178,025,039.72
  5. Step 5: Solve for x
    x = 10,178,025,039.72/130,801.55
  6. Step 6: Final answer
    x = 77,812.73

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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.