Home / 220,867.08-304,795.62-120,262.92

Finding the Fourth Proportional to 220,867.08, 304,795.62 and 120,262.92

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Solution

The fourth proportional to 220,867.08, 304,795.62 and 120,262.92 is: 165,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,867.08 : 304,795.62 = 120,262.92 : x
  2. Step 2: Convert to fraction form
    220,867.08/304,795.62 = 120,262.92/x
  3. Step 3: Cross multiply
    220,867.08x = 304,795.62 × 120,262.92
  4. Step 4: Simplify right side
    220,867.08x = 36,655,611,264.41
  5. Step 5: Solve for x
    x = 36,655,611,264.41/220,867.08
  6. Step 6: Final answer
    x = 165,962.31

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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.