Home / 155,865.26-233,807.78-65,891.21

Finding the Fourth Proportional to 155,865.26, 233,807.78 and 65,891.21

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Solution

The fourth proportional to 155,865.26, 233,807.78 and 65,891.21 is: 98,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,865.26 : 233,807.78 = 65,891.21 : x
  2. Step 2: Convert to fraction form
    155,865.26/233,807.78 = 65,891.21/x
  3. Step 3: Cross multiply
    155,865.26x = 233,807.78 × 65,891.21
  4. Step 4: Simplify right side
    155,865.26x = 15,405,877,531.61
  5. Step 5: Solve for x
    x = 15,405,877,531.61/155,865.26
  6. Step 6: Final answer
    x = 98,841.00

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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.