Home / 156,742.95-235,114.43-51,536.55

Finding the Fourth Proportional to 156,742.95, 235,114.43 and 51,536.55

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Solution

The fourth proportional to 156,742.95, 235,114.43 and 51,536.55 is: 77,304.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.95 : 235,114.43 = 51,536.55 : x
  2. Step 2: Convert to fraction form
    156,742.95/235,114.43 = 51,536.55/x
  3. Step 3: Cross multiply
    156,742.95x = 235,114.43 × 51,536.55
  4. Step 4: Simplify right side
    156,742.95x = 12,116,986,319.73
  5. Step 5: Solve for x
    x = 12,116,986,319.73/156,742.95
  6. Step 6: Final answer
    x = 77,304.83

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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.