Home / 127,866.40-191,569.20-104,365.60

Finding the Fourth Proportional to 127,866.40, 191,569.20 and 104,365.60

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Solution

The fourth proportional to 127,866.40, 191,569.20 and 104,365.60 is: 156,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,866.40 : 191,569.20 = 104,365.60 : x
  2. Step 2: Convert to fraction form
    127,866.40/191,569.20 = 104,365.60/x
  3. Step 3: Cross multiply
    127,866.40x = 191,569.20 × 104,365.60
  4. Step 4: Simplify right side
    127,866.40x = 19,993,234,499.52
  5. Step 5: Solve for x
    x = 19,993,234,499.52/127,866.40
  6. Step 6: Final answer
    x = 156,360.35

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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.