Home / 162,132.18-243,188.63-49,813.48

Finding the Fourth Proportional to 162,132.18, 243,188.63 and 49,813.48

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Solution

The fourth proportional to 162,132.18, 243,188.63 and 49,813.48 is: 74,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,132.18 : 243,188.63 = 49,813.48 : x
  2. Step 2: Convert to fraction form
    162,132.18/243,188.63 = 49,813.48/x
  3. Step 3: Cross multiply
    162,132.18x = 243,188.63 × 49,813.48
  4. Step 4: Simplify right side
    162,132.18x = 12,114,072,198.45
  5. Step 5: Solve for x
    x = 12,114,072,198.45/162,132.18
  6. Step 6: Final answer
    x = 74,717.26

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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.