Home / 156,087.03-215,401.66-84,468.59

Finding the Fourth Proportional to 156,087.03, 215,401.66 and 84,468.59

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Solution

The fourth proportional to 156,087.03, 215,401.66 and 84,468.59 is: 116,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,087.03 : 215,401.66 = 84,468.59 : x
  2. Step 2: Convert to fraction form
    156,087.03/215,401.66 = 84,468.59/x
  3. Step 3: Cross multiply
    156,087.03x = 215,401.66 × 84,468.59
  4. Step 4: Simplify right side
    156,087.03x = 18,194,674,503.86
  5. Step 5: Solve for x
    x = 18,194,674,503.86/156,087.03
  6. Step 6: Final answer
    x = 116,567.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.