Home / 401,777.20-602,687.67-121,287.16

Finding the Fourth Proportional to 401,777.20, 602,687.67 and 121,287.16

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Solution

The fourth proportional to 401,777.20, 602,687.67 and 121,287.16 is: 181,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,777.20 : 602,687.67 = 121,287.16 : x
  2. Step 2: Convert to fraction form
    401,777.20/602,687.67 = 121,287.16/x
  3. Step 3: Cross multiply
    401,777.20x = 602,687.67 × 121,287.16
  4. Step 4: Simplify right side
    401,777.20x = 73,098,275,861.32
  5. Step 5: Solve for x
    x = 73,098,275,861.32/401,777.20
  6. Step 6: Final answer
    x = 181,937.34

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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.