Home / 287,723.54-397,060.18-166,936.74

Finding the Fourth Proportional to 287,723.54, 397,060.18 and 166,936.74

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Solution

The fourth proportional to 287,723.54, 397,060.18 and 166,936.74 is: 230,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,723.54 : 397,060.18 = 166,936.74 : x
  2. Step 2: Convert to fraction form
    287,723.54/397,060.18 = 166,936.74/x
  3. Step 3: Cross multiply
    287,723.54x = 397,060.18 × 166,936.74
  4. Step 4: Simplify right side
    287,723.54x = 66,283,932,033.01
  5. Step 5: Solve for x
    x = 66,283,932,033.01/287,723.54
  6. Step 6: Final answer
    x = 230,373.68

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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.