Home / 190,845.20-286,037.40-97,302.80

Finding the Fourth Proportional to 190,845.20, 286,037.40 and 97,302.80

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Solution

The fourth proportional to 190,845.20, 286,037.40 and 97,302.80 is: 145,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,845.20 : 286,037.40 = 97,302.80 : x
  2. Step 2: Convert to fraction form
    190,845.20/286,037.40 = 97,302.80/x
  3. Step 3: Cross multiply
    190,845.20x = 286,037.40 × 97,302.80
  4. Step 4: Simplify right side
    190,845.20x = 27,832,239,924.72
  5. Step 5: Solve for x
    x = 27,832,239,924.72/190,845.20
  6. Step 6: Final answer
    x = 145,836.73

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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.