Home / 122,561.33-183,842.13-38,321.93

Finding the Fourth Proportional to 122,561.33, 183,842.13 and 38,321.93

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Solution

The fourth proportional to 122,561.33, 183,842.13 and 38,321.93 is: 57,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,561.33 : 183,842.13 = 38,321.93 : x
  2. Step 2: Convert to fraction form
    122,561.33/183,842.13 = 38,321.93/x
  3. Step 3: Cross multiply
    122,561.33x = 183,842.13 × 38,321.93
  4. Step 4: Simplify right side
    122,561.33x = 7,045,185,236.91
  5. Step 5: Solve for x
    x = 7,045,185,236.91/122,561.33
  6. Step 6: Final answer
    x = 57,482.94

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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.