Home / 111,358.13-166,957.83-52,161.50

Finding the Fourth Proportional to 111,358.13, 166,957.83 and 52,161.50

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Solution

The fourth proportional to 111,358.13, 166,957.83 and 52,161.50 is: 78,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,358.13 : 166,957.83 = 52,161.50 : x
  2. Step 2: Convert to fraction form
    111,358.13/166,957.83 = 52,161.50/x
  3. Step 3: Cross multiply
    111,358.13x = 166,957.83 × 52,161.50
  4. Step 4: Simplify right side
    111,358.13x = 8,708,771,266.94
  5. Step 5: Solve for x
    x = 8,708,771,266.94/111,358.13
  6. Step 6: Final answer
    x = 78,205.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.