Home / 111,900.11-154,425.92-60,914.70

Finding the Fourth Proportional to 111,900.11, 154,425.92 and 60,914.70

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Solution

The fourth proportional to 111,900.11, 154,425.92 and 60,914.70 is: 84,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,900.11 : 154,425.92 = 60,914.70 : x
  2. Step 2: Convert to fraction form
    111,900.11/154,425.92 = 60,914.70/x
  3. Step 3: Cross multiply
    111,900.11x = 154,425.92 × 60,914.70
  4. Step 4: Simplify right side
    111,900.11x = 9,406,808,284.45
  5. Step 5: Solve for x
    x = 9,406,808,284.45/111,900.11
  6. Step 6: Final answer
    x = 84,064.34

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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.