Home / 130,578.64-195,882.08-55,706.69

Finding the Fourth Proportional to 130,578.64, 195,882.08 and 55,706.69

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Solution

The fourth proportional to 130,578.64, 195,882.08 and 55,706.69 is: 83,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,578.64 : 195,882.08 = 55,706.69 : x
  2. Step 2: Convert to fraction form
    130,578.64/195,882.08 = 55,706.69/x
  3. Step 3: Cross multiply
    130,578.64x = 195,882.08 × 55,706.69
  4. Step 4: Simplify right side
    130,578.64x = 10,911,942,307.12
  5. Step 5: Solve for x
    x = 10,911,942,307.12/130,578.64
  6. Step 6: Final answer
    x = 83,566.06

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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.