Home / 92,857.05-139,365.10-92,158.12

Finding the Fourth Proportional to 92,857.05, 139,365.10 and 92,158.12

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Solution

The fourth proportional to 92,857.05, 139,365.10 and 92,158.12 is: 138,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,857.05 : 139,365.10 = 92,158.12 : x
  2. Step 2: Convert to fraction form
    92,857.05/139,365.10 = 92,158.12/x
  3. Step 3: Cross multiply
    92,857.05x = 139,365.10 × 92,158.12
  4. Step 4: Simplify right side
    92,857.05x = 12,843,625,609.61
  5. Step 5: Solve for x
    x = 12,843,625,609.61/92,857.05
  6. Step 6: Final answer
    x = 138,316.11

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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.