Home / 162,408.04-224,124.69-90,791.98

Finding the Fourth Proportional to 162,408.04, 224,124.69 and 90,791.98

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Solution

The fourth proportional to 162,408.04, 224,124.69 and 90,791.98 is: 125,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,408.04 : 224,124.69 = 90,791.98 : x
  2. Step 2: Convert to fraction form
    162,408.04/224,124.69 = 90,791.98/x
  3. Step 3: Cross multiply
    162,408.04x = 224,124.69 × 90,791.98
  4. Step 4: Simplify right side
    162,408.04x = 20,348,724,371.99
  5. Step 5: Solve for x
    x = 20,348,724,371.99/162,408.04
  6. Step 6: Final answer
    x = 125,293.82

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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.