Home / 153,171.96-229,758.06-47,999.12

Finding the Fourth Proportional to 153,171.96, 229,758.06 and 47,999.12

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Solution

The fourth proportional to 153,171.96, 229,758.06 and 47,999.12 is: 71,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,171.96 : 229,758.06 = 47,999.12 : x
  2. Step 2: Convert to fraction form
    153,171.96/229,758.06 = 47,999.12/x
  3. Step 3: Cross multiply
    153,171.96x = 229,758.06 × 47,999.12
  4. Step 4: Simplify right side
    153,171.96x = 11,028,184,692.91
  5. Step 5: Solve for x
    x = 11,028,184,692.91/153,171.96
  6. Step 6: Final answer
    x = 71,998.72

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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.