Home / 113,738.64-170,258.04-74,210.64

Finding the Fourth Proportional to 113,738.64, 170,258.04 and 74,210.64

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Solution

The fourth proportional to 113,738.64, 170,258.04 and 74,210.64 is: 111,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,738.64 : 170,258.04 = 74,210.64 : x
  2. Step 2: Convert to fraction form
    113,738.64/170,258.04 = 74,210.64/x
  3. Step 3: Cross multiply
    113,738.64x = 170,258.04 × 74,210.64
  4. Step 4: Simplify right side
    113,738.64x = 12,634,958,113.55
  5. Step 5: Solve for x
    x = 12,634,958,113.55/113,738.64
  6. Step 6: Final answer
    x = 111,087.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.