Home / 285,515.36-393,832.92-183,673.76

Finding the Fourth Proportional to 285,515.36, 393,832.92 and 183,673.76

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Solution

The fourth proportional to 285,515.36, 393,832.92 and 183,673.76 is: 253,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,515.36 : 393,832.92 = 183,673.76 : x
  2. Step 2: Convert to fraction form
    285,515.36/393,832.92 = 183,673.76/x
  3. Step 3: Cross multiply
    285,515.36x = 393,832.92 × 183,673.76
  4. Step 4: Simplify right side
    285,515.36x = 72,336,773,228.18
  5. Step 5: Solve for x
    x = 72,336,773,228.18/285,515.36
  6. Step 6: Final answer
    x = 253,355.10

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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.