Home / 156,896.29-216,519.06-85,276.27

Finding the Fourth Proportional to 156,896.29, 216,519.06 and 85,276.27

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Solution

The fourth proportional to 156,896.29, 216,519.06 and 85,276.27 is: 117,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,896.29 : 216,519.06 = 85,276.27 : x
  2. Step 2: Convert to fraction form
    156,896.29/216,519.06 = 85,276.27/x
  3. Step 3: Cross multiply
    156,896.29x = 216,519.06 × 85,276.27
  4. Step 4: Simplify right side
    156,896.29x = 18,463,937,820.71
  5. Step 5: Solve for x
    x = 18,463,937,820.71/156,896.29
  6. Step 6: Final answer
    x = 117,682.44

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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.