Home / 156,913.65-235,370.48-137,230.65

Finding the Fourth Proportional to 156,913.65, 235,370.48 and 137,230.65

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Solution

The fourth proportional to 156,913.65, 235,370.48 and 137,230.65 is: 205,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913.65 : 235,370.48 = 137,230.65 : x
  2. Step 2: Convert to fraction form
    156,913.65/235,370.48 = 137,230.65/x
  3. Step 3: Cross multiply
    156,913.65x = 235,370.48 × 137,230.65
  4. Step 4: Simplify right side
    156,913.65x = 32,300,043,961.21
  5. Step 5: Solve for x
    x = 32,300,043,961.21/156,913.65
  6. Step 6: Final answer
    x = 205,845.98

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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.