Home / 156,737.08-216,297.12-85,117.11

Finding the Fourth Proportional to 156,737.08, 216,297.12 and 85,117.11

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Solution

The fourth proportional to 156,737.08, 216,297.12 and 85,117.11 is: 117,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,737.08 : 216,297.12 = 85,117.11 : x
  2. Step 2: Convert to fraction form
    156,737.08/216,297.12 = 85,117.11/x
  3. Step 3: Cross multiply
    156,737.08x = 216,297.12 × 85,117.11
  4. Step 4: Simplify right side
    156,737.08x = 18,410,585,755.72
  5. Step 5: Solve for x
    x = 18,410,585,755.72/156,737.08
  6. Step 6: Final answer
    x = 117,461.58

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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.