Home / 127,642.04-191,532.18-122,987.96

Finding the Fourth Proportional to 127,642.04, 191,532.18 and 122,987.96

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Solution

The fourth proportional to 127,642.04, 191,532.18 and 122,987.96 is: 184,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,642.04 : 191,532.18 = 122,987.96 : x
  2. Step 2: Convert to fraction form
    127,642.04/191,532.18 = 122,987.96/x
  3. Step 3: Cross multiply
    127,642.04x = 191,532.18 × 122,987.96
  4. Step 4: Simplify right side
    127,642.04x = 23,556,152,092.55
  5. Step 5: Solve for x
    x = 23,556,152,092.55/127,642.04
  6. Step 6: Final answer
    x = 184,548.54

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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.