Home / 109,470.40-164,205.60-105,096.40

Finding the Fourth Proportional to 109,470.40, 164,205.60 and 105,096.40

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Solution

The fourth proportional to 109,470.40, 164,205.60 and 105,096.40 is: 157,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,470.40 : 164,205.60 = 105,096.40 : x
  2. Step 2: Convert to fraction form
    109,470.40/164,205.60 = 105,096.40/x
  3. Step 3: Cross multiply
    109,470.40x = 164,205.60 × 105,096.40
  4. Step 4: Simplify right side
    109,470.40x = 17,257,417,419.84
  5. Step 5: Solve for x
    x = 17,257,417,419.84/109,470.40
  6. Step 6: Final answer
    x = 157,644.60

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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.