Home / 142,850.85-197,083.33-82,436.77

Finding the Fourth Proportional to 142,850.85, 197,083.33 and 82,436.77

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Solution

The fourth proportional to 142,850.85, 197,083.33 and 82,436.77 is: 113,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,850.85 : 197,083.33 = 82,436.77 : x
  2. Step 2: Convert to fraction form
    142,850.85/197,083.33 = 82,436.77/x
  3. Step 3: Cross multiply
    142,850.85x = 197,083.33 × 82,436.77
  4. Step 4: Simplify right side
    142,850.85x = 16,246,913,146.04
  5. Step 5: Solve for x
    x = 16,246,913,146.04/142,850.85
  6. Step 6: Final answer
    x = 113,733.40

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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.