Home / 191,760.82-287,682.75-73,432.16

Finding the Fourth Proportional to 191,760.82, 287,682.75 and 73,432.16

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Solution

The fourth proportional to 191,760.82, 287,682.75 and 73,432.16 is: 110,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,760.82 : 287,682.75 = 73,432.16 : x
  2. Step 2: Convert to fraction form
    191,760.82/287,682.75 = 73,432.16/x
  3. Step 3: Cross multiply
    191,760.82x = 287,682.75 × 73,432.16
  4. Step 4: Simplify right side
    191,760.82x = 21,125,166,446.45
  5. Step 5: Solve for x
    x = 21,125,166,446.45/191,760.82
  6. Step 6: Final answer
    x = 110,164.14

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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.