Home / 154,298.81-231,336.99-70,016.69

Finding the Fourth Proportional to 154,298.81, 231,336.99 and 70,016.69

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Solution

The fourth proportional to 154,298.81, 231,336.99 and 70,016.69 is: 104,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,298.81 : 231,336.99 = 70,016.69 : x
  2. Step 2: Convert to fraction form
    154,298.81/231,336.99 = 70,016.69/x
  3. Step 3: Cross multiply
    154,298.81x = 231,336.99 × 70,016.69
  4. Step 4: Simplify right side
    154,298.81x = 16,197,450,314.36
  5. Step 5: Solve for x
    x = 16,197,450,314.36/154,298.81
  6. Step 6: Final answer
    x = 104,974.56

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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.