Home / 117,600.09-162,288.26-63,885.11

Finding the Fourth Proportional to 117,600.09, 162,288.26 and 63,885.11

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Solution

The fourth proportional to 117,600.09, 162,288.26 and 63,885.11 is: 88,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,600.09 : 162,288.26 = 63,885.11 : x
  2. Step 2: Convert to fraction form
    117,600.09/162,288.26 = 63,885.11/x
  3. Step 3: Cross multiply
    117,600.09x = 162,288.26 × 63,885.11
  4. Step 4: Simplify right side
    117,600.09x = 10,367,802,450.51
  5. Step 5: Solve for x
    x = 10,367,802,450.51/117,600.09
  6. Step 6: Final answer
    x = 88,161.52

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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.