Home / 130,353.93-195,858.46-82,990.17

Finding the Fourth Proportional to 130,353.93, 195,858.46 and 82,990.17

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Solution

The fourth proportional to 130,353.93, 195,858.46 and 82,990.17 is: 124,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,353.93 : 195,858.46 = 82,990.17 : x
  2. Step 2: Convert to fraction form
    130,353.93/195,858.46 = 82,990.17/x
  3. Step 3: Cross multiply
    130,353.93x = 195,858.46 × 82,990.17
  4. Step 4: Simplify right side
    130,353.93x = 16,254,326,528.26
  5. Step 5: Solve for x
    x = 16,254,326,528.26/130,353.93
  6. Step 6: Final answer
    x = 124,693.79

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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.