Home / 256,623.96-384,940.80-88,143.24

Finding the Fourth Proportional to 256,623.96, 384,940.80 and 88,143.24

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Solution

The fourth proportional to 256,623.96, 384,940.80 and 88,143.24 is: 132,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,623.96 : 384,940.80 = 88,143.24 : x
  2. Step 2: Convert to fraction form
    256,623.96/384,940.80 = 88,143.24/x
  3. Step 3: Cross multiply
    256,623.96x = 384,940.80 × 88,143.24
  4. Step 4: Simplify right side
    256,623.96x = 33,929,929,320.19
  5. Step 5: Solve for x
    x = 33,929,929,320.19/256,623.96
  6. Step 6: Final answer
    x = 132,216.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.