Home / 146,518.20-220,263.30-127,272.60

Finding the Fourth Proportional to 146,518.20, 220,263.30 and 127,272.60

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Solution

The fourth proportional to 146,518.20, 220,263.30 and 127,272.60 is: 191,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,518.20 : 220,263.30 = 127,272.60 : x
  2. Step 2: Convert to fraction form
    146,518.20/220,263.30 = 127,272.60/x
  3. Step 3: Cross multiply
    146,518.20x = 220,263.30 × 127,272.60
  4. Step 4: Simplify right side
    146,518.20x = 28,033,482,875.58
  5. Step 5: Solve for x
    x = 28,033,482,875.58/146,518.20
  6. Step 6: Final answer
    x = 191,331.06

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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.