Home / 190,900.20-286,277.40-57,736.20

Finding the Fourth Proportional to 190,900.20, 286,277.40 and 57,736.20

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Solution

The fourth proportional to 190,900.20, 286,277.40 and 57,736.20 is: 86,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,900.20 : 286,277.40 = 57,736.20 : x
  2. Step 2: Convert to fraction form
    190,900.20/286,277.40 = 57,736.20/x
  3. Step 3: Cross multiply
    190,900.20x = 286,277.40 × 57,736.20
  4. Step 4: Simplify right side
    190,900.20x = 16,528,569,221.88
  5. Step 5: Solve for x
    x = 16,528,569,221.88/190,900.20
  6. Step 6: Final answer
    x = 86,582.25

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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.