Home / 156,219.73-215,582.90-84,599.53

Finding the Fourth Proportional to 156,219.73, 215,582.90 and 84,599.53

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Solution

The fourth proportional to 156,219.73, 215,582.90 and 84,599.53 is: 116,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,219.73 : 215,582.90 = 84,599.53 : x
  2. Step 2: Convert to fraction form
    156,219.73/215,582.90 = 84,599.53/x
  3. Step 3: Cross multiply
    156,219.73x = 215,582.90 × 84,599.53
  4. Step 4: Simplify right side
    156,219.73x = 18,238,211,054.08
  5. Step 5: Solve for x
    x = 18,238,211,054.08/156,219.73
  6. Step 6: Final answer
    x = 116,747.17

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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.