Home / 92,858.05-139,366.60-92,159.12

Finding the Fourth Proportional to 92,858.05, 139,366.60 and 92,159.12

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Solution

The fourth proportional to 92,858.05, 139,366.60 and 92,159.12 is: 138,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,858.05 : 139,366.60 = 92,159.12 : x
  2. Step 2: Convert to fraction form
    92,858.05/139,366.60 = 92,159.12/x
  3. Step 3: Cross multiply
    92,858.05x = 139,366.60 × 92,159.12
  4. Step 4: Simplify right side
    92,858.05x = 12,843,903,213.39
  5. Step 5: Solve for x
    x = 12,843,903,213.39/92,858.05
  6. Step 6: Final answer
    x = 138,317.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.