Home / 236,785.88-355,179.04-66,000.77

Finding the Fourth Proportional to 236,785.88, 355,179.04 and 66,000.77

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Solution

The fourth proportional to 236,785.88, 355,179.04 and 66,000.77 is: 99,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,785.88 : 355,179.04 = 66,000.77 : x
  2. Step 2: Convert to fraction form
    236,785.88/355,179.04 = 66,000.77/x
  3. Step 3: Cross multiply
    236,785.88x = 355,179.04 × 66,000.77
  4. Step 4: Simplify right side
    236,785.88x = 23,442,088,186.96
  5. Step 5: Solve for x
    x = 23,442,088,186.96/236,785.88
  6. Step 6: Final answer
    x = 99,001.21

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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.