Home / 191,318.03-264,021.27-105,286.91

Finding the Fourth Proportional to 191,318.03, 264,021.27 and 105,286.91

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Solution

The fourth proportional to 191,318.03, 264,021.27 and 105,286.91 is: 145,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,318.03 : 264,021.27 = 105,286.91 : x
  2. Step 2: Convert to fraction form
    191,318.03/264,021.27 = 105,286.91/x
  3. Step 3: Cross multiply
    191,318.03x = 264,021.27 × 105,286.91
  4. Step 4: Simplify right side
    191,318.03x = 27,797,983,692.58
  5. Step 5: Solve for x
    x = 27,797,983,692.58/191,318.03
  6. Step 6: Final answer
    x = 145,297.25

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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.