Home / 127,848.60-191,801.70-39,106.20

Finding the Fourth Proportional to 127,848.60, 191,801.70 and 39,106.20

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Solution

The fourth proportional to 127,848.60, 191,801.70 and 39,106.20 is: 58,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,848.60 : 191,801.70 = 39,106.20 : x
  2. Step 2: Convert to fraction form
    127,848.60/191,801.70 = 39,106.20/x
  3. Step 3: Cross multiply
    127,848.60x = 191,801.70 × 39,106.20
  4. Step 4: Simplify right side
    127,848.60x = 7,500,635,640.54
  5. Step 5: Solve for x
    x = 7,500,635,640.54/127,848.60
  6. Step 6: Final answer
    x = 58,668.11

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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.