Home / 116,350.77-160,546.57-65,353.74

Finding the Fourth Proportional to 116,350.77, 160,546.57 and 65,353.74

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Solution

The fourth proportional to 116,350.77, 160,546.57 and 65,353.74 is: 90,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,350.77 : 160,546.57 = 65,353.74 : x
  2. Step 2: Convert to fraction form
    116,350.77/160,546.57 = 65,353.74/x
  3. Step 3: Cross multiply
    116,350.77x = 160,546.57 × 65,353.74
  4. Step 4: Simplify right side
    116,350.77x = 10,492,318,793.67
  5. Step 5: Solve for x
    x = 10,492,318,793.67/116,350.77
  6. Step 6: Final answer
    x = 90,178.34

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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.