Home / 156,473.24-215,904.20-91,953

Finding the Fourth Proportional to 156,473.24, 215,904.20 and 91,953

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Solution

The fourth proportional to 156,473.24, 215,904.20 and 91,953 is: 126,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,473.24 : 215,904.20 = 91,953 : x
  2. Step 2: Convert to fraction form
    156,473.24/215,904.20 = 91,953/x
  3. Step 3: Cross multiply
    156,473.24x = 215,904.20 × 91,953
  4. Step 4: Simplify right side
    156,473.24x = 19,853,038,442.84
  5. Step 5: Solve for x
    x = 19,853,038,442.84/156,473.24
  6. Step 6: Final answer
    x = 126,878.17

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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.