Home / 116,661.32-160,991.22-66,360.20

Finding the Fourth Proportional to 116,661.32, 160,991.22 and 66,360.20

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Solution

The fourth proportional to 116,661.32, 160,991.22 and 66,360.20 is: 91,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,661.32 : 160,991.22 = 66,360.20 : x
  2. Step 2: Convert to fraction form
    116,661.32/160,991.22 = 66,360.20/x
  3. Step 3: Cross multiply
    116,661.32x = 160,991.22 × 66,360.20
  4. Step 4: Simplify right side
    116,661.32x = 10,683,409,557.44
  5. Step 5: Solve for x
    x = 10,683,409,557.44/116,661.32
  6. Step 6: Final answer
    x = 91,576.28

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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.