Home / 119,183.19-164,404.10-71,408.87

Finding the Fourth Proportional to 119,183.19, 164,404.10 and 71,408.87

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Solution

The fourth proportional to 119,183.19, 164,404.10 and 71,408.87 is: 98,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,183.19 : 164,404.10 = 71,408.87 : x
  2. Step 2: Convert to fraction form
    119,183.19/164,404.10 = 71,408.87/x
  3. Step 3: Cross multiply
    119,183.19x = 164,404.10 × 71,408.87
  4. Step 4: Simplify right side
    119,183.19x = 11,739,911,004.37
  5. Step 5: Solve for x
    x = 11,739,911,004.37/119,183.19
  6. Step 6: Final answer
    x = 98,503.08

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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.