Home / 156,657.24-216,190.35-88,674.30

Finding the Fourth Proportional to 156,657.24, 216,190.35 and 88,674.30

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Solution

The fourth proportional to 156,657.24, 216,190.35 and 88,674.30 is: 122,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,657.24 : 216,190.35 = 88,674.30 : x
  2. Step 2: Convert to fraction form
    156,657.24/216,190.35 = 88,674.30/x
  3. Step 3: Cross multiply
    156,657.24x = 216,190.35 × 88,674.30
  4. Step 4: Simplify right side
    156,657.24x = 19,170,527,953.01
  5. Step 5: Solve for x
    x = 19,170,527,953.01/156,657.24
  6. Step 6: Final answer
    x = 122,372.44

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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.