Home / 156,774.75-216,349.52-85,153.23

Finding the Fourth Proportional to 156,774.75, 216,349.52 and 85,153.23

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Solution

The fourth proportional to 156,774.75, 216,349.52 and 85,153.23 is: 117,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,774.75 : 216,349.52 = 85,153.23 : x
  2. Step 2: Convert to fraction form
    156,774.75/216,349.52 = 85,153.23/x
  3. Step 3: Cross multiply
    156,774.75x = 216,349.52 × 85,153.23
  4. Step 4: Simplify right side
    156,774.75x = 18,422,860,436.95
  5. Step 5: Solve for x
    x = 18,422,860,436.95/156,774.75
  6. Step 6: Final answer
    x = 117,511.66

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1.5x scale

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.