Home / 117,599.16-162,126.14-80,804.24

Finding the Fourth Proportional to 117,599.16, 162,126.14 and 80,804.24

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Solution

The fourth proportional to 117,599.16, 162,126.14 and 80,804.24 is: 111,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,599.16 : 162,126.14 = 80,804.24 : x
  2. Step 2: Convert to fraction form
    117,599.16/162,126.14 = 80,804.24/x
  3. Step 3: Cross multiply
    117,599.16x = 162,126.14 × 80,804.24
  4. Step 4: Simplify right side
    117,599.16x = 13,100,479,526.83
  5. Step 5: Solve for x
    x = 13,100,479,526.83/117,599.16
  6. Step 6: Final answer
    x = 111,399.43

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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.