Home / 101,827.20-152,913.60-98,716.80

Finding the Fourth Proportional to 101,827.20, 152,913.60 and 98,716.80

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Solution

The fourth proportional to 101,827.20, 152,913.60 and 98,716.80 is: 148,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,827.20 : 152,913.60 = 98,716.80 : x
  2. Step 2: Convert to fraction form
    101,827.20/152,913.60 = 98,716.80/x
  3. Step 3: Cross multiply
    101,827.20x = 152,913.60 × 98,716.80
  4. Step 4: Simplify right side
    101,827.20x = 15,095,141,268.48
  5. Step 5: Solve for x
    x = 15,095,141,268.48/101,827.20
  6. Step 6: Final answer
    x = 148,242.72

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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.