Home / 156,224.10-215,588.93-84,603.90

Finding the Fourth Proportional to 156,224.10, 215,588.93 and 84,603.90

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Solution

The fourth proportional to 156,224.10, 215,588.93 and 84,603.90 is: 116,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,224.10 : 215,588.93 = 84,603.90 : x
  2. Step 2: Convert to fraction form
    156,224.10/215,588.93 = 84,603.90/x
  3. Step 3: Cross multiply
    156,224.10x = 215,588.93 × 84,603.90
  4. Step 4: Simplify right side
    156,224.10x = 18,239,664,274.83
  5. Step 5: Solve for x
    x = 18,239,664,274.83/156,224.10
  6. Step 6: Final answer
    x = 116,753.20

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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.