Home / 158,190.27-218,404.45-141,165.23

Finding the Fourth Proportional to 158,190.27, 218,404.45 and 141,165.23

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Solution

The fourth proportional to 158,190.27, 218,404.45 and 141,165.23 is: 194,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,190.27 : 218,404.45 = 141,165.23 : x
  2. Step 2: Convert to fraction form
    158,190.27/218,404.45 = 141,165.23/x
  3. Step 3: Cross multiply
    158,190.27x = 218,404.45 × 141,165.23
  4. Step 4: Simplify right side
    158,190.27x = 30,831,114,730.23
  5. Step 5: Solve for x
    x = 30,831,114,730.23/158,190.27
  6. Step 6: Final answer
    x = 194,898.94

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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.