Home / 156,872.24-216,485.06-85,252.28

Finding the Fourth Proportional to 156,872.24, 216,485.06 and 85,252.28

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Solution

The fourth proportional to 156,872.24, 216,485.06 and 85,252.28 is: 117,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,872.24 : 216,485.06 = 85,252.28 : x
  2. Step 2: Convert to fraction form
    156,872.24/216,485.06 = 85,252.28/x
  3. Step 3: Cross multiply
    156,872.24x = 216,485.06 × 85,252.28
  4. Step 4: Simplify right side
    156,872.24x = 18,455,843,868.51
  5. Step 5: Solve for x
    x = 18,455,843,868.51/156,872.24
  6. Step 6: Final answer
    x = 117,648.88

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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.