Home / 191,166.61-263,809.54-109,521.31

Finding the Fourth Proportional to 191,166.61, 263,809.54 and 109,521.31

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Solution

The fourth proportional to 191,166.61, 263,809.54 and 109,521.31 is: 151,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,166.61 : 263,809.54 = 109,521.31 : x
  2. Step 2: Convert to fraction form
    191,166.61/263,809.54 = 109,521.31/x
  3. Step 3: Cross multiply
    191,166.61x = 263,809.54 × 109,521.31
  4. Step 4: Simplify right side
    191,166.61x = 28,892,765,092.25
  5. Step 5: Solve for x
    x = 28,892,765,092.25/191,166.61
  6. Step 6: Final answer
    x = 151,139.18

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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.