Home / 156,934.40-235,401.60-50,318.15

Finding the Fourth Proportional to 156,934.40, 235,401.60 and 50,318.15

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Solution

The fourth proportional to 156,934.40, 235,401.60 and 50,318.15 is: 75,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,934.40 : 235,401.60 = 50,318.15 : x
  2. Step 2: Convert to fraction form
    156,934.40/235,401.60 = 50,318.15/x
  3. Step 3: Cross multiply
    156,934.40x = 235,401.60 × 50,318.15
  4. Step 4: Simplify right side
    156,934.40x = 11,844,973,019.04
  5. Step 5: Solve for x
    x = 11,844,973,019.04/156,934.40
  6. Step 6: Final answer
    x = 75,477.23

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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.