Home / 156,921.65-235,123.27-133,593.65

Finding the Fourth Proportional to 156,921.65, 235,123.27 and 133,593.65

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Solution

The fourth proportional to 156,921.65, 235,123.27 and 133,593.65 is: 200,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,921.65 : 235,123.27 = 133,593.65 : x
  2. Step 2: Convert to fraction form
    156,921.65/235,123.27 = 133,593.65/x
  3. Step 3: Cross multiply
    156,921.65x = 235,123.27 × 133,593.65
  4. Step 4: Simplify right side
    156,921.65x = 31,410,975,839.24
  5. Step 5: Solve for x
    x = 31,410,975,839.24/156,921.65
  6. Step 6: Final answer
    x = 200,169.80

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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.