Home / 185,986.67-256,708.68-114,430.77

Finding the Fourth Proportional to 185,986.67, 256,708.68 and 114,430.77

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Solution

The fourth proportional to 185,986.67, 256,708.68 and 114,430.77 is: 157,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,986.67 : 256,708.68 = 114,430.77 : x
  2. Step 2: Convert to fraction form
    185,986.67/256,708.68 = 114,430.77/x
  3. Step 3: Cross multiply
    185,986.67x = 256,708.68 × 114,430.77
  4. Step 4: Simplify right side
    185,986.67x = 29,375,371,918.08
  5. Step 5: Solve for x
    x = 29,375,371,918.08/185,986.67
  6. Step 6: Final answer
    x = 157,943.43

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1.5x scale

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.