Home / 185,534.67-256,038.32-100,651.72

Finding the Fourth Proportional to 185,534.67, 256,038.32 and 100,651.72

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Solution

The fourth proportional to 185,534.67, 256,038.32 and 100,651.72 is: 138,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,534.67 : 256,038.32 = 100,651.72 : x
  2. Step 2: Convert to fraction form
    185,534.67/256,038.32 = 100,651.72/x
  3. Step 3: Cross multiply
    185,534.67x = 256,038.32 × 100,651.72
  4. Step 4: Simplify right side
    185,534.67x = 25,770,697,293.91
  5. Step 5: Solve for x
    x = 25,770,697,293.91/185,534.67
  6. Step 6: Final answer
    x = 138,899.63

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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.