Home / 100,904.61-151,355.30-34,391.06

Finding the Fourth Proportional to 100,904.61, 151,355.30 and 34,391.06

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Solution

The fourth proportional to 100,904.61, 151,355.30 and 34,391.06 is: 51,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,904.61 : 151,355.30 = 34,391.06 : x
  2. Step 2: Convert to fraction form
    100,904.61/151,355.30 = 34,391.06/x
  3. Step 3: Cross multiply
    100,904.61x = 151,355.30 × 34,391.06
  4. Step 4: Simplify right side
    100,904.61x = 5,205,268,274.89
  5. Step 5: Solve for x
    x = 5,205,268,274.89/100,904.61
  6. Step 6: Final answer
    x = 51,586.03

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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.