Home / 130,661.84-195,908.52-55,830.80

Finding the Fourth Proportional to 130,661.84, 195,908.52 and 55,830.80

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Solution

The fourth proportional to 130,661.84, 195,908.52 and 55,830.80 is: 83,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,661.84 : 195,908.52 = 55,830.80 : x
  2. Step 2: Convert to fraction form
    130,661.84/195,908.52 = 55,830.80/x
  3. Step 3: Cross multiply
    130,661.84x = 195,908.52 × 55,830.80
  4. Step 4: Simplify right side
    130,661.84x = 10,937,729,398.42
  5. Step 5: Solve for x
    x = 10,937,729,398.42/130,661.84
  6. Step 6: Final answer
    x = 83,710.20

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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.