Home / 185,890.73-256,530.83-101,007.79

Finding the Fourth Proportional to 185,890.73, 256,530.83 and 101,007.79

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Solution

The fourth proportional to 185,890.73, 256,530.83 and 101,007.79 is: 139,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,890.73 : 256,530.83 = 101,007.79 : x
  2. Step 2: Convert to fraction form
    185,890.73/256,530.83 = 101,007.79/x
  3. Step 3: Cross multiply
    185,890.73x = 256,530.83 × 101,007.79
  4. Step 4: Simplify right side
    185,890.73x = 25,911,612,315.77
  5. Step 5: Solve for x
    x = 25,911,612,315.77/185,890.73
  6. Step 6: Final answer
    x = 139,391.63

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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.