Home / 156,678.06-216,249.84-96,280.41

Finding the Fourth Proportional to 156,678.06, 216,249.84 and 96,280.41

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Solution

The fourth proportional to 156,678.06, 216,249.84 and 96,280.41 is: 132,887.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,678.06 : 216,249.84 = 96,280.41 : x
  2. Step 2: Convert to fraction form
    156,678.06/216,249.84 = 96,280.41/x
  3. Step 3: Cross multiply
    156,678.06x = 216,249.84 × 96,280.41
  4. Step 4: Simplify right side
    156,678.06x = 20,820,623,257.63
  5. Step 5: Solve for x
    x = 20,820,623,257.63/156,678.06
  6. Step 6: Final answer
    x = 132,887.93

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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.