Home / 155,707.35-233,379.57-71,476.41

Finding the Fourth Proportional to 155,707.35, 233,379.57 and 71,476.41

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Solution

The fourth proportional to 155,707.35, 233,379.57 and 71,476.41 is: 107,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,707.35 : 233,379.57 = 71,476.41 : x
  2. Step 2: Convert to fraction form
    155,707.35/233,379.57 = 71,476.41/x
  3. Step 3: Cross multiply
    155,707.35x = 233,379.57 × 71,476.41
  4. Step 4: Simplify right side
    155,707.35x = 16,681,133,830.94
  5. Step 5: Solve for x
    x = 16,681,133,830.94/155,707.35
  6. Step 6: Final answer
    x = 107,131.32

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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.