Home / 285,427.99-393,712.41-183,586.15

Finding the Fourth Proportional to 285,427.99, 393,712.41 and 183,586.15

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Solution

The fourth proportional to 285,427.99, 393,712.41 and 183,586.15 is: 253,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,427.99 : 393,712.41 = 183,586.15 : x
  2. Step 2: Convert to fraction form
    285,427.99/393,712.41 = 183,586.15/x
  3. Step 3: Cross multiply
    285,427.99x = 393,712.41 × 183,586.15
  4. Step 4: Simplify right side
    285,427.99x = 72,280,145,559.12
  5. Step 5: Solve for x
    x = 72,280,145,559.12/285,427.99
  6. Step 6: Final answer
    x = 253,234.26

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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.