Home / 191,117.92-285,064.35-165,960.13

Finding the Fourth Proportional to 191,117.92, 285,064.35 and 165,960.13

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Solution

The fourth proportional to 191,117.92, 285,064.35 and 165,960.13 is: 247,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,117.92 : 285,064.35 = 165,960.13 : x
  2. Step 2: Convert to fraction form
    191,117.92/285,064.35 = 165,960.13/x
  3. Step 3: Cross multiply
    191,117.92x = 285,064.35 × 165,960.13
  4. Step 4: Simplify right side
    191,117.92x = 47,309,315,754.56
  5. Step 5: Solve for x
    x = 47,309,315,754.56/191,117.92
  6. Step 6: Final answer
    x = 247,539.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.