Home / 185,814.41-256,418.46-100,931.27

Finding the Fourth Proportional to 185,814.41, 256,418.46 and 100,931.27

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Solution

The fourth proportional to 185,814.41, 256,418.46 and 100,931.27 is: 139,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,814.41 : 256,418.46 = 100,931.27 : x
  2. Step 2: Convert to fraction form
    185,814.41/256,418.46 = 100,931.27/x
  3. Step 3: Cross multiply
    185,814.41x = 256,418.46 × 100,931.27
  4. Step 4: Simplify right side
    185,814.41x = 25,880,639,537.15
  5. Step 5: Solve for x
    x = 25,880,639,537.15/185,814.41
  6. Step 6: Final answer
    x = 139,282.20

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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.