Home / 141,123.96-211,734.54-70,945.56

Finding the Fourth Proportional to 141,123.96, 211,734.54 and 70,945.56

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Solution

The fourth proportional to 141,123.96, 211,734.54 and 70,945.56 is: 106,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,123.96 : 211,734.54 = 70,945.56 : x
  2. Step 2: Convert to fraction form
    141,123.96/211,734.54 = 70,945.56/x
  3. Step 3: Cross multiply
    141,123.96x = 211,734.54 × 70,945.56
  4. Step 4: Simplify right side
    141,123.96x = 15,021,625,511.64
  5. Step 5: Solve for x
    x = 15,021,625,511.64/141,123.96
  6. Step 6: Final answer
    x = 106,442.77

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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.