Home / 117,518.40-162,175.50-63,803.39

Finding the Fourth Proportional to 117,518.40, 162,175.50 and 63,803.39

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Solution

The fourth proportional to 117,518.40, 162,175.50 and 63,803.39 is: 88,048.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,518.40 : 162,175.50 = 63,803.39 : x
  2. Step 2: Convert to fraction form
    117,518.40/162,175.50 = 63,803.39/x
  3. Step 3: Cross multiply
    117,518.40x = 162,175.50 × 63,803.39
  4. Step 4: Simplify right side
    117,518.40x = 10,347,345,864.07
  5. Step 5: Solve for x
    x = 10,347,345,864.07/117,518.40
  6. Step 6: Final answer
    x = 88,048.73

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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.