Home / 156,066.24-215,370.72-84,447.53

Finding the Fourth Proportional to 156,066.24, 215,370.72 and 84,447.53

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Solution

The fourth proportional to 156,066.24, 215,370.72 and 84,447.53 is: 116,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,066.24 : 215,370.72 = 84,447.53 : x
  2. Step 2: Convert to fraction form
    156,066.24/215,370.72 = 84,447.53/x
  3. Step 3: Cross multiply
    156,066.24x = 215,370.72 × 84,447.53
  4. Step 4: Simplify right side
    156,066.24x = 18,187,525,338.32
  5. Step 5: Solve for x
    x = 18,187,525,338.32/156,066.24
  6. Step 6: Final answer
    x = 116,537.22

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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.