Home / 185,730.62-256,301.07-100,845.74

Finding the Fourth Proportional to 185,730.62, 256,301.07 and 100,845.74

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Solution

The fourth proportional to 185,730.62, 256,301.07 and 100,845.74 is: 139,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,730.62 : 256,301.07 = 100,845.74 : x
  2. Step 2: Convert to fraction form
    185,730.62/256,301.07 = 100,845.74/x
  3. Step 3: Cross multiply
    185,730.62x = 256,301.07 × 100,845.74
  4. Step 4: Simplify right side
    185,730.62x = 25,846,871,066.94
  5. Step 5: Solve for x
    x = 25,846,871,066.94/185,730.62
  6. Step 6: Final answer
    x = 139,163.22

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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.