Home / 216,436.23-298,676.26-120,943.71

Finding the Fourth Proportional to 216,436.23, 298,676.26 and 120,943.71

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Solution

The fourth proportional to 216,436.23, 298,676.26 and 120,943.71 is: 166,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,436.23 : 298,676.26 = 120,943.71 : x
  2. Step 2: Convert to fraction form
    216,436.23/298,676.26 = 120,943.71/x
  3. Step 3: Cross multiply
    216,436.23x = 298,676.26 × 120,943.71
  4. Step 4: Simplify right side
    216,436.23x = 36,123,014,368.61
  5. Step 5: Solve for x
    x = 36,123,014,368.61/216,436.23
  6. Step 6: Final answer
    x = 166,899.11

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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.