Home / 162,254.20-243,408.90-49,931.86

Finding the Fourth Proportional to 162,254.20, 243,408.90 and 49,931.86

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Solution

The fourth proportional to 162,254.20, 243,408.90 and 49,931.86 is: 74,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,254.20 : 243,408.90 = 49,931.86 : x
  2. Step 2: Convert to fraction form
    162,254.20/243,408.90 = 49,931.86/x
  3. Step 3: Cross multiply
    162,254.20x = 243,408.90 × 49,931.86
  4. Step 4: Simplify right side
    162,254.20x = 12,153,859,117.55
  5. Step 5: Solve for x
    x = 12,153,859,117.55/162,254.20
  6. Step 6: Final answer
    x = 74,906.28

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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.