Home / 190,842.30-286,394.63-66,183.30

Finding the Fourth Proportional to 190,842.30, 286,394.63 and 66,183.30

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Solution

The fourth proportional to 190,842.30, 286,394.63 and 66,183.30 is: 99,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,842.30 : 286,394.63 = 66,183.30 : x
  2. Step 2: Convert to fraction form
    190,842.30/286,394.63 = 66,183.30/x
  3. Step 3: Cross multiply
    190,842.30x = 286,394.63 × 66,183.30
  4. Step 4: Simplify right side
    190,842.30x = 18,954,541,384.76
  5. Step 5: Solve for x
    x = 18,954,541,384.76/190,842.30
  6. Step 6: Final answer
    x = 99,320.44

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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.