Home / 156,634.22-216,155.43-85,014.24

Finding the Fourth Proportional to 156,634.22, 216,155.43 and 85,014.24

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Solution

The fourth proportional to 156,634.22, 216,155.43 and 85,014.24 is: 117,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634.22 : 216,155.43 = 85,014.24 : x
  2. Step 2: Convert to fraction form
    156,634.22/216,155.43 = 85,014.24/x
  3. Step 3: Cross multiply
    156,634.22x = 216,155.43 × 85,014.24
  4. Step 4: Simplify right side
    156,634.22x = 18,376,289,603.32
  5. Step 5: Solve for x
    x = 18,376,289,603.32/156,634.22
  6. Step 6: Final answer
    x = 117,319.77

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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.