Home / 130,392.45-195,630.66-59,340.51

Finding the Fourth Proportional to 130,392.45, 195,630.66 and 59,340.51

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Solution

The fourth proportional to 130,392.45, 195,630.66 and 59,340.51 is: 89,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,392.45 : 195,630.66 = 59,340.51 : x
  2. Step 2: Convert to fraction form
    130,392.45/195,630.66 = 59,340.51/x
  3. Step 3: Cross multiply
    130,392.45x = 195,630.66 × 59,340.51
  4. Step 4: Simplify right side
    130,392.45x = 11,608,823,136.04
  5. Step 5: Solve for x
    x = 11,608,823,136.04/130,392.45
  6. Step 6: Final answer
    x = 89,029.87

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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.