Home / 117,440.16-162,187.56-109,916.88

Finding the Fourth Proportional to 117,440.16, 162,187.56 and 109,916.88

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Solution

The fourth proportional to 117,440.16, 162,187.56 and 109,916.88 is: 151,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,440.16 : 162,187.56 = 109,916.88 : x
  2. Step 2: Convert to fraction form
    117,440.16/162,187.56 = 109,916.88/x
  3. Step 3: Cross multiply
    117,440.16x = 162,187.56 × 109,916.88
  4. Step 4: Simplify right side
    117,440.16x = 17,827,150,570.01
  5. Step 5: Solve for x
    x = 17,827,150,570.01/117,440.16
  6. Step 6: Final answer
    x = 151,797.74

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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.