Home / 122,468.16-183,697.92-39,360

Finding the Fourth Proportional to 122,468.16, 183,697.92 and 39,360

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Solution

The fourth proportional to 122,468.16, 183,697.92 and 39,360 is: 59,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,468.16 : 183,697.92 = 39,360 : x
  2. Step 2: Convert to fraction form
    122,468.16/183,697.92 = 39,360/x
  3. Step 3: Cross multiply
    122,468.16x = 183,697.92 × 39,360
  4. Step 4: Simplify right side
    122,468.16x = 7,230,350,131.20
  5. Step 5: Solve for x
    x = 7,230,350,131.20/122,468.16
  6. Step 6: Final answer
    x = 59,038.61

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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.