Home / 131,506.56-181,563.36-117,334.56

Finding the Fourth Proportional to 131,506.56, 181,563.36 and 117,334.56

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Solution

The fourth proportional to 131,506.56, 181,563.36 and 117,334.56 is: 161,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,506.56 : 181,563.36 = 117,334.56 : x
  2. Step 2: Convert to fraction form
    131,506.56/181,563.36 = 117,334.56/x
  3. Step 3: Cross multiply
    131,506.56x = 181,563.36 × 117,334.56
  4. Step 4: Simplify right side
    131,506.56x = 21,303,656,957.72
  5. Step 5: Solve for x
    x = 21,303,656,957.72/131,506.56
  6. Step 6: Final answer
    x = 161,996.91

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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.