Home / 190,892.20-286,338.30-97,385.80

Finding the Fourth Proportional to 190,892.20, 286,338.30 and 97,385.80

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Solution

The fourth proportional to 190,892.20, 286,338.30 and 97,385.80 is: 146,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,892.20 : 286,338.30 = 97,385.80 : x
  2. Step 2: Convert to fraction form
    190,892.20/286,338.30 = 97,385.80/x
  3. Step 3: Cross multiply
    190,892.20x = 286,338.30 × 97,385.80
  4. Step 4: Simplify right side
    190,892.20x = 27,885,284,416.14
  5. Step 5: Solve for x
    x = 27,885,284,416.14/190,892.20
  6. Step 6: Final answer
    x = 146,078.70

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1.5x scale

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.