Home / 190,876.60-286,251.33-76,995.02

Finding the Fourth Proportional to 190,876.60, 286,251.33 and 76,995.02

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Solution

The fourth proportional to 190,876.60, 286,251.33 and 76,995.02 is: 115,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,876.60 : 286,251.33 = 76,995.02 : x
  2. Step 2: Convert to fraction form
    190,876.60/286,251.33 = 76,995.02/x
  3. Step 3: Cross multiply
    190,876.60x = 286,251.33 × 76,995.02
  4. Step 4: Simplify right side
    190,876.60x = 22,039,927,882.74
  5. Step 5: Solve for x
    x = 22,039,927,882.74/190,876.60
  6. Step 6: Final answer
    x = 115,466.89

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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.