Home / 185,699.46-256,265.26-100,816.52

Finding the Fourth Proportional to 185,699.46, 256,265.26 and 100,816.52

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Solution

The fourth proportional to 185,699.46, 256,265.26 and 100,816.52 is: 139,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,699.46 : 256,265.26 = 100,816.52 : x
  2. Step 2: Convert to fraction form
    185,699.46/256,265.26 = 100,816.52/x
  3. Step 3: Cross multiply
    185,699.46x = 256,265.26 × 100,816.52
  4. Step 4: Simplify right side
    185,699.46x = 25,835,772,197.19
  5. Step 5: Solve for x
    x = 25,835,772,197.19/185,699.46
  6. Step 6: Final answer
    x = 139,126.80

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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.