Home / 227,643.15-341,501.78-85,499.49

Finding the Fourth Proportional to 227,643.15, 341,501.78 and 85,499.49

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Solution

The fourth proportional to 227,643.15, 341,501.78 and 85,499.49 is: 128,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,643.15 : 341,501.78 = 85,499.49 : x
  2. Step 2: Convert to fraction form
    227,643.15/341,501.78 = 85,499.49/x
  3. Step 3: Cross multiply
    227,643.15x = 341,501.78 × 85,499.49
  4. Step 4: Simplify right side
    227,643.15x = 29,198,228,024.09
  5. Step 5: Solve for x
    x = 29,198,228,024.09/227,643.15
  6. Step 6: Final answer
    x = 128,263.15

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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.