Home / 179,289.18-247,147.20-147,402.72

Finding the Fourth Proportional to 179,289.18, 247,147.20 and 147,402.72

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Solution

The fourth proportional to 179,289.18, 247,147.20 and 147,402.72 is: 203,192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,289.18 : 247,147.20 = 147,402.72 : x
  2. Step 2: Convert to fraction form
    179,289.18/247,147.20 = 147,402.72/x
  3. Step 3: Cross multiply
    179,289.18x = 247,147.20 × 147,402.72
  4. Step 4: Simplify right side
    179,289.18x = 36,430,169,520.38
  5. Step 5: Solve for x
    x = 36,430,169,520.38/179,289.18
  6. Step 6: Final answer
    x = 203,192.24

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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.