Home / 156,448.69-215,936.55-92,823.39

Finding the Fourth Proportional to 156,448.69, 215,936.55 and 92,823.39

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Solution

The fourth proportional to 156,448.69, 215,936.55 and 92,823.39 is: 128,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,448.69 : 215,936.55 = 92,823.39 : x
  2. Step 2: Convert to fraction form
    156,448.69/215,936.55 = 92,823.39/x
  3. Step 3: Cross multiply
    156,448.69x = 215,936.55 × 92,823.39
  4. Step 4: Simplify right side
    156,448.69x = 20,043,962,595.90
  5. Step 5: Solve for x
    x = 20,043,962,595.90/156,448.69
  6. Step 6: Final answer
    x = 128,118.45

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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.