Home / 156,136.17-215,467.14-88,152.46

Finding the Fourth Proportional to 156,136.17, 215,467.14 and 88,152.46

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Solution

The fourth proportional to 156,136.17, 215,467.14 and 88,152.46 is: 121,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,136.17 : 215,467.14 = 88,152.46 : x
  2. Step 2: Convert to fraction form
    156,136.17/215,467.14 = 88,152.46/x
  3. Step 3: Cross multiply
    156,136.17x = 215,467.14 × 88,152.46
  4. Step 4: Simplify right side
    156,136.17x = 18,993,958,440.16
  5. Step 5: Solve for x
    x = 18,993,958,440.16/156,136.17
  6. Step 6: Final answer
    x = 121,649.96

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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.