Home / 285,115.53-392,814.20-234,047.37

Finding the Fourth Proportional to 285,115.53, 392,814.20 and 234,047.37

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Solution

The fourth proportional to 285,115.53, 392,814.20 and 234,047.37 is: 322,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,115.53 : 392,814.20 = 234,047.37 : x
  2. Step 2: Convert to fraction form
    285,115.53/392,814.20 = 234,047.37/x
  3. Step 3: Cross multiply
    285,115.53x = 392,814.20 × 234,047.37
  4. Step 4: Simplify right side
    285,115.53x = 91,937,132,466.83
  5. Step 5: Solve for x
    x = 91,937,132,466.83/285,115.53
  6. Step 6: Final answer
    x = 322,455.71

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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.