Home / 109,336.30-164,004.45-98,838.70

Finding the Fourth Proportional to 109,336.30, 164,004.45 and 98,838.70

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Solution

The fourth proportional to 109,336.30, 164,004.45 and 98,838.70 is: 148,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,336.30 : 164,004.45 = 98,838.70 : x
  2. Step 2: Convert to fraction form
    109,336.30/164,004.45 = 98,838.70/x
  3. Step 3: Cross multiply
    109,336.30x = 164,004.45 × 98,838.70
  4. Step 4: Simplify right side
    109,336.30x = 16,209,986,632.22
  5. Step 5: Solve for x
    x = 16,209,986,632.22/109,336.30
  6. Step 6: Final answer
    x = 148,258.05

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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.