Home / 156,918.70-235,032.45-136,182.70

Finding the Fourth Proportional to 156,918.70, 235,032.45 and 136,182.70

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Solution

The fourth proportional to 156,918.70, 235,032.45 and 136,182.70 is: 203,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.70 : 235,032.45 = 136,182.70 : x
  2. Step 2: Convert to fraction form
    156,918.70/235,032.45 = 136,182.70/x
  3. Step 3: Cross multiply
    156,918.70x = 235,032.45 × 136,182.70
  4. Step 4: Simplify right side
    156,918.70x = 32,007,353,628.62
  5. Step 5: Solve for x
    x = 32,007,353,628.62/156,918.70
  6. Step 6: Final answer
    x = 203,974.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.