Home / 156,351.35-215,685.58-98,893.89

Finding the Fourth Proportional to 156,351.35, 215,685.58 and 98,893.89

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Solution

The fourth proportional to 156,351.35, 215,685.58 and 98,893.89 is: 136,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,351.35 : 215,685.58 = 98,893.89 : x
  2. Step 2: Convert to fraction form
    156,351.35/215,685.58 = 98,893.89/x
  3. Step 3: Cross multiply
    156,351.35x = 215,685.58 × 98,893.89
  4. Step 4: Simplify right side
    156,351.35x = 21,329,985,528.64
  5. Step 5: Solve for x
    x = 21,329,985,528.64/156,351.35
  6. Step 6: Final answer
    x = 136,423.42

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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.