Home / 330,761.93-456,485.36-194,838.66

Finding the Fourth Proportional to 330,761.93, 456,485.36 and 194,838.66

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Solution

The fourth proportional to 330,761.93, 456,485.36 and 194,838.66 is: 268,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,761.93 : 456,485.36 = 194,838.66 : x
  2. Step 2: Convert to fraction form
    330,761.93/456,485.36 = 194,838.66/x
  3. Step 3: Cross multiply
    330,761.93x = 456,485.36 × 194,838.66
  4. Step 4: Simplify right side
    330,761.93x = 88,940,994,877.82
  5. Step 5: Solve for x
    x = 88,940,994,877.82/330,761.93
  6. Step 6: Final answer
    x = 268,897.32

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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.