Home / 156,981.06-235,435.86-44,658.72

Finding the Fourth Proportional to 156,981.06, 235,435.86 and 44,658.72

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Solution

The fourth proportional to 156,981.06, 235,435.86 and 44,658.72 is: 66,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,981.06 : 235,435.86 = 44,658.72 : x
  2. Step 2: Convert to fraction form
    156,981.06/235,435.86 = 44,658.72/x
  3. Step 3: Cross multiply
    156,981.06x = 235,435.86 × 44,658.72
  4. Step 4: Simplify right side
    156,981.06x = 10,514,264,149.70
  5. Step 5: Solve for x
    x = 10,514,264,149.70/156,981.06
  6. Step 6: Final answer
    x = 66,977.92

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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.