Home / 161,818.55-242,688.93-82,892.15

Finding the Fourth Proportional to 161,818.55, 242,688.93 and 82,892.15

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Solution

The fourth proportional to 161,818.55, 242,688.93 and 82,892.15 is: 124,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,818.55 : 242,688.93 = 82,892.15 : x
  2. Step 2: Convert to fraction form
    161,818.55/242,688.93 = 82,892.15/x
  3. Step 3: Cross multiply
    161,818.55x = 242,688.93 × 82,892.15
  4. Step 4: Simplify right side
    161,818.55x = 20,117,007,188.90
  5. Step 5: Solve for x
    x = 20,117,007,188.90/161,818.55
  6. Step 6: Final answer
    x = 124,318.30

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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.