Home / 156,916.65-235,115.77-133,588.65

Finding the Fourth Proportional to 156,916.65, 235,115.77 and 133,588.65

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Solution

The fourth proportional to 156,916.65, 235,115.77 and 133,588.65 is: 200,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,916.65 : 235,115.77 = 133,588.65 : x
  2. Step 2: Convert to fraction form
    156,916.65/235,115.77 = 133,588.65/x
  3. Step 3: Cross multiply
    156,916.65x = 235,115.77 × 133,588.65
  4. Step 4: Simplify right side
    156,916.65x = 31,408,798,308.01
  5. Step 5: Solve for x
    x = 31,408,798,308.01/156,916.65
  6. Step 6: Final answer
    x = 200,162.30

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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.