Home / 117,518.85-162,175.50-63,803.43

Finding the Fourth Proportional to 117,518.85, 162,175.50 and 63,803.43

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Solution

The fourth proportional to 117,518.85, 162,175.50 and 63,803.43 is: 88,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,518.85 : 162,175.50 = 63,803.43 : x
  2. Step 2: Convert to fraction form
    117,518.85/162,175.50 = 63,803.43/x
  3. Step 3: Cross multiply
    117,518.85x = 162,175.50 × 63,803.43
  4. Step 4: Simplify right side
    117,518.85x = 10,347,353,161.97
  5. Step 5: Solve for x
    x = 10,347,353,161.97/117,518.85
  6. Step 6: Final answer
    x = 88,048.45

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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.