Home / 268,842.75-370,959.57-154,100.27

Finding the Fourth Proportional to 268,842.75, 370,959.57 and 154,100.27

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Solution

The fourth proportional to 268,842.75, 370,959.57 and 154,100.27 is: 212,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,842.75 : 370,959.57 = 154,100.27 : x
  2. Step 2: Convert to fraction form
    268,842.75/370,959.57 = 154,100.27/x
  3. Step 3: Cross multiply
    268,842.75x = 370,959.57 × 154,100.27
  4. Step 4: Simplify right side
    268,842.75x = 57,164,968,041.29
  5. Step 5: Solve for x
    x = 57,164,968,041.29/268,842.75
  6. Step 6: Final answer
    x = 212,633.47

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1.5x scale

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.