Home / 211,785.32-292,269.72-125,723.22

Finding the Fourth Proportional to 211,785.32, 292,269.72 and 125,723.22

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Solution

The fourth proportional to 211,785.32, 292,269.72 and 125,723.22 is: 173,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,785.32 : 292,269.72 = 125,723.22 : x
  2. Step 2: Convert to fraction form
    211,785.32/292,269.72 = 125,723.22/x
  3. Step 3: Cross multiply
    211,785.32x = 292,269.72 × 125,723.22
  4. Step 4: Simplify right side
    211,785.32x = 36,745,090,306.90
  5. Step 5: Solve for x
    x = 36,745,090,306.90/211,785.32
  6. Step 6: Final answer
    x = 173,501.60

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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.