Home / 122,507.32-183,644.34-39,343

Finding the Fourth Proportional to 122,507.32, 183,644.34 and 39,343

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Solution

The fourth proportional to 122,507.32, 183,644.34 and 39,343 is: 58,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,507.32 : 183,644.34 = 39,343 : x
  2. Step 2: Convert to fraction form
    122,507.32/183,644.34 = 39,343/x
  3. Step 3: Cross multiply
    122,507.32x = 183,644.34 × 39,343
  4. Step 4: Simplify right side
    122,507.32x = 7,225,119,268.62
  5. Step 5: Solve for x
    x = 7,225,119,268.62/122,507.32
  6. Step 6: Final answer
    x = 58,977.04

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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.