Home / 116,285.28-160,478.64-65,988.96

Finding the Fourth Proportional to 116,285.28, 160,478.64 and 65,988.96

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Solution

The fourth proportional to 116,285.28, 160,478.64 and 65,988.96 is: 91,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,285.28 : 160,478.64 = 65,988.96 : x
  2. Step 2: Convert to fraction form
    116,285.28/160,478.64 = 65,988.96/x
  3. Step 3: Cross multiply
    116,285.28x = 160,478.64 × 65,988.96
  4. Step 4: Simplify right side
    116,285.28x = 10,589,818,555.81
  5. Step 5: Solve for x
    x = 10,589,818,555.81/116,285.28
  6. Step 6: Final answer
    x = 91,067.58

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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.