Home / 268,620.36-370,723.29-153,914.22

Finding the Fourth Proportional to 268,620.36, 370,723.29 and 153,914.22

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Solution

The fourth proportional to 268,620.36, 370,723.29 and 153,914.22 is: 212,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,620.36 : 370,723.29 = 153,914.22 : x
  2. Step 2: Convert to fraction form
    268,620.36/370,723.29 = 153,914.22/x
  3. Step 3: Cross multiply
    268,620.36x = 370,723.29 × 153,914.22
  4. Step 4: Simplify right side
    268,620.36x = 57,059,586,016.18
  5. Step 5: Solve for x
    x = 57,059,586,016.18/268,620.36
  6. Step 6: Final answer
    x = 212,417.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.