Home / 268,631.77-370,712.70-147,782.25

Finding the Fourth Proportional to 268,631.77, 370,712.70 and 147,782.25

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Solution

The fourth proportional to 268,631.77, 370,712.70 and 147,782.25 is: 203,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,631.77 : 370,712.70 = 147,782.25 : x
  2. Step 2: Convert to fraction form
    268,631.77/370,712.70 = 147,782.25/x
  3. Step 3: Cross multiply
    268,631.77x = 370,712.70 × 147,782.25
  4. Step 4: Simplify right side
    268,631.77x = 54,784,756,909.58
  5. Step 5: Solve for x
    x = 54,784,756,909.58/268,631.77
  6. Step 6: Final answer
    x = 203,939.98

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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.