Home / 189,850.10-262,167.09-152,398.58

Finding the Fourth Proportional to 189,850.10, 262,167.09 and 152,398.58

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Solution

The fourth proportional to 189,850.10, 262,167.09 and 152,398.58 is: 210,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,850.10 : 262,167.09 = 152,398.58 : x
  2. Step 2: Convert to fraction form
    189,850.10/262,167.09 = 152,398.58/x
  3. Step 3: Cross multiply
    189,850.10x = 262,167.09 × 152,398.58
  4. Step 4: Simplify right side
    189,850.10x = 39,953,892,238.73
  5. Step 5: Solve for x
    x = 39,953,892,238.73/189,850.10
  6. Step 6: Final answer
    x = 210,449.68

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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.