Home / 122,539.16-183,833.34-55,961.40

Finding the Fourth Proportional to 122,539.16, 183,833.34 and 55,961.40

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Solution

The fourth proportional to 122,539.16, 183,833.34 and 55,961.40 is: 83,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,539.16 : 183,833.34 = 55,961.40 : x
  2. Step 2: Convert to fraction form
    122,539.16/183,833.34 = 55,961.40/x
  3. Step 3: Cross multiply
    122,539.16x = 183,833.34 × 55,961.40
  4. Step 4: Simplify right side
    122,539.16x = 10,287,571,073.08
  5. Step 5: Solve for x
    x = 10,287,571,073.08/122,539.16
  6. Step 6: Final answer
    x = 83,953.33

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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.