Home / 156,934.65-235,142.77-133,606.65

Finding the Fourth Proportional to 156,934.65, 235,142.77 and 133,606.65

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Solution

The fourth proportional to 156,934.65, 235,142.77 and 133,606.65 is: 200,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,934.65 : 235,142.77 = 133,606.65 : x
  2. Step 2: Convert to fraction form
    156,934.65/235,142.77 = 133,606.65/x
  3. Step 3: Cross multiply
    156,934.65x = 235,142.77 × 133,606.65
  4. Step 4: Simplify right side
    156,934.65x = 31,416,637,771.42
  5. Step 5: Solve for x
    x = 31,416,637,771.42/156,934.65
  6. Step 6: Final answer
    x = 200,189.30

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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.