Home / 191,189.92-263,851.68-106,305.16

Finding the Fourth Proportional to 191,189.92, 263,851.68 and 106,305.16

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Solution

The fourth proportional to 191,189.92, 263,851.68 and 106,305.16 is: 146,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,189.92 : 263,851.68 = 106,305.16 : x
  2. Step 2: Convert to fraction form
    191,189.92/263,851.68 = 106,305.16/x
  3. Step 3: Cross multiply
    191,189.92x = 263,851.68 × 106,305.16
  4. Step 4: Simplify right side
    191,189.92x = 28,048,795,058.67
  5. Step 5: Solve for x
    x = 28,048,795,058.67/191,189.92
  6. Step 6: Final answer
    x = 146,706.45

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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.