Home / 130,186.92-195,280.36-47,061.48

Finding the Fourth Proportional to 130,186.92, 195,280.36 and 47,061.48

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Solution

The fourth proportional to 130,186.92, 195,280.36 and 47,061.48 is: 70,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,186.92 : 195,280.36 = 47,061.48 : x
  2. Step 2: Convert to fraction form
    130,186.92/195,280.36 = 47,061.48/x
  3. Step 3: Cross multiply
    130,186.92x = 195,280.36 × 47,061.48
  4. Step 4: Simplify right side
    130,186.92x = 9,190,182,756.53
  5. Step 5: Solve for x
    x = 9,190,182,756.53/130,186.92
  6. Step 6: Final answer
    x = 70,592.21

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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.