Home / 122,007.24-168,338.01-70,311.69

Finding the Fourth Proportional to 122,007.24, 168,338.01 and 70,311.69

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Solution

The fourth proportional to 122,007.24, 168,338.01 and 70,311.69 is: 97,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,007.24 : 168,338.01 = 70,311.69 : x
  2. Step 2: Convert to fraction form
    122,007.24/168,338.01 = 70,311.69/x
  3. Step 3: Cross multiply
    122,007.24x = 168,338.01 × 70,311.69
  4. Step 4: Simplify right side
    122,007.24x = 11,836,129,974.34
  5. Step 5: Solve for x
    x = 11,836,129,974.34/122,007.24
  6. Step 6: Final answer
    x = 97,011.70

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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.