Home / 155,422.98-233,208.28-66,701.86

Finding the Fourth Proportional to 155,422.98, 233,208.28 and 66,701.86

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Solution

The fourth proportional to 155,422.98, 233,208.28 and 66,701.86 is: 100,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,422.98 : 233,208.28 = 66,701.86 : x
  2. Step 2: Convert to fraction form
    155,422.98/233,208.28 = 66,701.86/x
  3. Step 3: Cross multiply
    155,422.98x = 233,208.28 × 66,701.86
  4. Step 4: Simplify right side
    155,422.98x = 15,555,426,043.40
  5. Step 5: Solve for x
    x = 15,555,426,043.40/155,422.98
  6. Step 6: Final answer
    x = 100,084.47

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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.