Home / 209,177.92-288,667.44-113,684.86

Finding the Fourth Proportional to 209,177.92, 288,667.44 and 113,684.86

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Solution

The fourth proportional to 209,177.92, 288,667.44 and 113,684.86 is: 156,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,177.92 : 288,667.44 = 113,684.86 : x
  2. Step 2: Convert to fraction form
    209,177.92/288,667.44 = 113,684.86/x
  3. Step 3: Cross multiply
    209,177.92x = 288,667.44 × 113,684.86
  4. Step 4: Simplify right side
    209,177.92x = 32,817,117,502.96
  5. Step 5: Solve for x
    x = 32,817,117,502.96/209,177.92
  6. Step 6: Final answer
    x = 156,886.15

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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.