Home / 261,611.42-392,458.25-111,852.50

Finding the Fourth Proportional to 261,611.42, 392,458.25 and 111,852.50

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Solution

The fourth proportional to 261,611.42, 392,458.25 and 111,852.50 is: 167,796.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,611.42 : 392,458.25 = 111,852.50 : x
  2. Step 2: Convert to fraction form
    261,611.42/392,458.25 = 111,852.50/x
  3. Step 3: Cross multiply
    261,611.42x = 392,458.25 × 111,852.50
  4. Step 4: Simplify right side
    261,611.42x = 43,897,434,725.47
  5. Step 5: Solve for x
    x = 43,897,434,725.47/261,611.42
  6. Step 6: Final answer
    x = 167,796.33

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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.