Home / 156,973.24-216,623.46-85,353.22

Finding the Fourth Proportional to 156,973.24, 216,623.46 and 85,353.22

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Solution

The fourth proportional to 156,973.24, 216,623.46 and 85,353.22 is: 117,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,973.24 : 216,623.46 = 85,353.22 : x
  2. Step 2: Convert to fraction form
    156,973.24/216,623.46 = 85,353.22/x
  3. Step 3: Cross multiply
    156,973.24x = 216,623.46 × 85,353.22
  4. Step 4: Simplify right side
    156,973.24x = 18,489,509,838.54
  5. Step 5: Solve for x
    x = 18,489,509,838.54/156,973.24
  6. Step 6: Final answer
    x = 117,787.66

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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.