Home / 156,743.95-235,115.93-51,537.55

Finding the Fourth Proportional to 156,743.95, 235,115.93 and 51,537.55

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Solution

The fourth proportional to 156,743.95, 235,115.93 and 51,537.55 is: 77,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,743.95 : 235,115.93 = 51,537.55 : x
  2. Step 2: Convert to fraction form
    156,743.95/235,115.93 = 51,537.55/x
  3. Step 3: Cross multiply
    156,743.95x = 235,115.93 × 51,537.55
  4. Step 4: Simplify right side
    156,743.95x = 12,117,298,998.17
  5. Step 5: Solve for x
    x = 12,117,298,998.17/156,743.95
  6. Step 6: Final answer
    x = 77,306.33

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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.