Home / 156,743.90-235,115.85-51,566.30

Finding the Fourth Proportional to 156,743.90, 235,115.85 and 51,566.30

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Solution

The fourth proportional to 156,743.90, 235,115.85 and 51,566.30 is: 77,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,743.90 : 235,115.85 = 51,566.30 : x
  2. Step 2: Convert to fraction form
    156,743.90/235,115.85 = 51,566.30/x
  3. Step 3: Cross multiply
    156,743.90x = 235,115.85 × 51,566.30
  4. Step 4: Simplify right side
    156,743.90x = 12,124,054,455.86
  5. Step 5: Solve for x
    x = 12,124,054,455.86/156,743.90
  6. Step 6: Final answer
    x = 77,349.45

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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.