Home / 116,269.92-160,455.48-65,286.72

Finding the Fourth Proportional to 116,269.92, 160,455.48 and 65,286.72

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Solution

The fourth proportional to 116,269.92, 160,455.48 and 65,286.72 is: 90,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,269.92 : 160,455.48 = 65,286.72 : x
  2. Step 2: Convert to fraction form
    116,269.92/160,455.48 = 65,286.72/x
  3. Step 3: Cross multiply
    116,269.92x = 160,455.48 × 65,286.72
  4. Step 4: Simplify right side
    116,269.92x = 10,475,611,995.23
  5. Step 5: Solve for x
    x = 10,475,611,995.23/116,269.92
  6. Step 6: Final answer
    x = 90,097.35

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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.