Home / 156,884.08-216,500.03-85,264.27

Finding the Fourth Proportional to 156,884.08, 216,500.03 and 85,264.27

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Solution

The fourth proportional to 156,884.08, 216,500.03 and 85,264.27 is: 117,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,884.08 : 216,500.03 = 85,264.27 : x
  2. Step 2: Convert to fraction form
    156,884.08/216,500.03 = 85,264.27/x
  3. Step 3: Cross multiply
    156,884.08x = 216,500.03 × 85,264.27
  4. Step 4: Simplify right side
    156,884.08x = 18,459,717,012.93
  5. Step 5: Solve for x
    x = 18,459,717,012.93/156,884.08
  6. Step 6: Final answer
    x = 117,664.69

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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.