Home / 191,074.48-263,676.36-106,189.72

Finding the Fourth Proportional to 191,074.48, 263,676.36 and 106,189.72

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Solution

The fourth proportional to 191,074.48, 263,676.36 and 106,189.72 is: 146,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,074.48 : 263,676.36 = 106,189.72 : x
  2. Step 2: Convert to fraction form
    191,074.48/263,676.36 = 106,189.72/x
  3. Step 3: Cross multiply
    191,074.48x = 263,676.36 × 106,189.72
  4. Step 4: Simplify right side
    191,074.48x = 27,999,718,578.04
  5. Step 5: Solve for x
    x = 27,999,718,578.04/191,074.48
  6. Step 6: Final answer
    x = 146,538.24

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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.