Home / 146,999.22-220,323.87-84,538.50

Finding the Fourth Proportional to 146,999.22, 220,323.87 and 84,538.50

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Solution

The fourth proportional to 146,999.22, 220,323.87 and 84,538.50 is: 126,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,999.22 : 220,323.87 = 84,538.50 : x
  2. Step 2: Convert to fraction form
    146,999.22/220,323.87 = 84,538.50/x
  3. Step 3: Cross multiply
    146,999.22x = 220,323.87 × 84,538.50
  4. Step 4: Simplify right side
    146,999.22x = 18,625,849,484.00
  5. Step 5: Solve for x
    x = 18,625,849,484.00/146,999.22
  6. Step 6: Final answer
    x = 126,707.13

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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.