Home / 117,515.84-162,178.08-67,223.36

Finding the Fourth Proportional to 117,515.84, 162,178.08 and 67,223.36

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Solution

The fourth proportional to 117,515.84, 162,178.08 and 67,223.36 is: 92,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,515.84 : 162,178.08 = 67,223.36 : x
  2. Step 2: Convert to fraction form
    117,515.84/162,178.08 = 67,223.36/x
  3. Step 3: Cross multiply
    117,515.84x = 162,178.08 × 67,223.36
  4. Step 4: Simplify right side
    117,515.84x = 10,902,155,455.95
  5. Step 5: Solve for x
    x = 10,902,155,455.95/117,515.84
  6. Step 6: Final answer
    x = 92,771.80

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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.