Home / 156,153.73-215,490.36-84,532.18

Finding the Fourth Proportional to 156,153.73, 215,490.36 and 84,532.18

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Solution

The fourth proportional to 156,153.73, 215,490.36 and 84,532.18 is: 116,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.73 : 215,490.36 = 84,532.18 : x
  2. Step 2: Convert to fraction form
    156,153.73/215,490.36 = 84,532.18/x
  3. Step 3: Cross multiply
    156,153.73x = 215,490.36 × 84,532.18
  4. Step 4: Simplify right side
    156,153.73x = 18,215,869,899.78
  5. Step 5: Solve for x
    x = 18,215,869,899.78/156,153.73
  6. Step 6: Final answer
    x = 116,653.44

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1.5x scale

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.