Home / 155,706.35-233,378.07-71,475.41

Finding the Fourth Proportional to 155,706.35, 233,378.07 and 71,475.41

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Solution

The fourth proportional to 155,706.35, 233,378.07 and 71,475.41 is: 107,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,706.35 : 233,378.07 = 71,475.41 : x
  2. Step 2: Convert to fraction form
    155,706.35/233,378.07 = 71,475.41/x
  3. Step 3: Cross multiply
    155,706.35x = 233,378.07 × 71,475.41
  4. Step 4: Simplify right side
    155,706.35x = 16,680,793,238.26
  5. Step 5: Solve for x
    x = 16,680,793,238.26/155,706.35
  6. Step 6: Final answer
    x = 107,129.82

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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.