Home / 185,919.76-256,569.78-101,037.16

Finding the Fourth Proportional to 185,919.76, 256,569.78 and 101,037.16

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Solution

The fourth proportional to 185,919.76, 256,569.78 and 101,037.16 is: 139,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,919.76 : 256,569.78 = 101,037.16 : x
  2. Step 2: Convert to fraction form
    185,919.76/256,569.78 = 101,037.16/x
  3. Step 3: Cross multiply
    185,919.76x = 256,569.78 × 101,037.16
  4. Step 4: Simplify right side
    185,919.76x = 25,923,081,913.02
  5. Step 5: Solve for x
    x = 25,923,081,913.02/185,919.76
  6. Step 6: Final answer
    x = 139,431.56

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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.