Home / 117,378.24-161,955.36-67,076.16

Finding the Fourth Proportional to 117,378.24, 161,955.36 and 67,076.16

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Solution

The fourth proportional to 117,378.24, 161,955.36 and 67,076.16 is: 92,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,378.24 : 161,955.36 = 67,076.16 : x
  2. Step 2: Convert to fraction form
    117,378.24/161,955.36 = 67,076.16/x
  3. Step 3: Cross multiply
    117,378.24x = 161,955.36 × 67,076.16
  4. Step 4: Simplify right side
    117,378.24x = 10,863,343,640.22
  5. Step 5: Solve for x
    x = 10,863,343,640.22/117,378.24
  6. Step 6: Final answer
    x = 92,549.89

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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.