Home / 185,812.14-256,419.62-100,928.46

Finding the Fourth Proportional to 185,812.14, 256,419.62 and 100,928.46

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Solution

The fourth proportional to 185,812.14, 256,419.62 and 100,928.46 is: 139,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,812.14 : 256,419.62 = 100,928.46 : x
  2. Step 2: Convert to fraction form
    185,812.14/256,419.62 = 100,928.46/x
  3. Step 3: Cross multiply
    185,812.14x = 256,419.62 × 100,928.46
  4. Step 4: Simplify right side
    185,812.14x = 25,880,037,360.39
  5. Step 5: Solve for x
    x = 25,880,037,360.39/185,812.14
  6. Step 6: Final answer
    x = 139,280.66

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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.