Home / 268,328.89-370,286.03-153,603.73

Finding the Fourth Proportional to 268,328.89, 370,286.03 and 153,603.73

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Solution

The fourth proportional to 268,328.89, 370,286.03 and 153,603.73 is: 211,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,328.89 : 370,286.03 = 153,603.73 : x
  2. Step 2: Convert to fraction form
    268,328.89/370,286.03 = 153,603.73/x
  3. Step 3: Cross multiply
    268,328.89x = 370,286.03 × 153,603.73
  4. Step 4: Simplify right side
    268,328.89x = 56,877,313,523.46
  5. Step 5: Solve for x
    x = 56,877,313,523.46/268,328.89
  6. Step 6: Final answer
    x = 211,968.66

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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.