Home / 330,768.04-456,446-187,537.72

Finding the Fourth Proportional to 330,768.04, 456,446 and 187,537.72

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Solution

The fourth proportional to 330,768.04, 456,446 and 187,537.72 is: 258,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,768.04 : 456,446 = 187,537.72 : x
  2. Step 2: Convert to fraction form
    330,768.04/456,446 = 187,537.72/x
  3. Step 3: Cross multiply
    330,768.04x = 456,446 × 187,537.72
  4. Step 4: Simplify right side
    330,768.04x = 85,600,842,143.12
  5. Step 5: Solve for x
    x = 85,600,842,143.12/330,768.04
  6. Step 6: Final answer
    x = 258,794.18

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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.