Home / 119,436.11-178,895.81-56,161.44

Finding the Fourth Proportional to 119,436.11, 178,895.81 and 56,161.44

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Solution

The fourth proportional to 119,436.11, 178,895.81 and 56,161.44 is: 84,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,436.11 : 178,895.81 = 56,161.44 : x
  2. Step 2: Convert to fraction form
    119,436.11/178,895.81 = 56,161.44/x
  3. Step 3: Cross multiply
    119,436.11x = 178,895.81 × 56,161.44
  4. Step 4: Simplify right side
    119,436.11x = 10,047,046,018.76
  5. Step 5: Solve for x
    x = 10,047,046,018.76/119,436.11
  6. Step 6: Final answer
    x = 84,120.68

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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.