Home / 256,518.24-384,785.16-88,036.11

Finding the Fourth Proportional to 256,518.24, 384,785.16 and 88,036.11

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Solution

The fourth proportional to 256,518.24, 384,785.16 and 88,036.11 is: 132,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,518.24 : 384,785.16 = 88,036.11 : x
  2. Step 2: Convert to fraction form
    256,518.24/384,785.16 = 88,036.11/x
  3. Step 3: Cross multiply
    256,518.24x = 384,785.16 × 88,036.11
  4. Step 4: Simplify right side
    256,518.24x = 33,874,988,672.13
  5. Step 5: Solve for x
    x = 33,874,988,672.13/256,518.24
  6. Step 6: Final answer
    x = 132,056.84

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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.