Home / 146,569.20-220,339.80-127,323.60

Finding the Fourth Proportional to 146,569.20, 220,339.80 and 127,323.60

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Solution

The fourth proportional to 146,569.20, 220,339.80 and 127,323.60 is: 191,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,569.20 : 220,339.80 = 127,323.60 : x
  2. Step 2: Convert to fraction form
    146,569.20/220,339.80 = 127,323.60/x
  3. Step 3: Cross multiply
    146,569.20x = 220,339.80 × 127,323.60
  4. Step 4: Simplify right side
    146,569.20x = 28,054,456,559.28
  5. Step 5: Solve for x
    x = 28,054,456,559.28/146,569.20
  6. Step 6: Final answer
    x = 191,407.58

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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.