Home / 190,583.60-285,867.20-64,215.50

Finding the Fourth Proportional to 190,583.60, 285,867.20 and 64,215.50

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Solution

The fourth proportional to 190,583.60, 285,867.20 and 64,215.50 is: 96,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,583.60 : 285,867.20 = 64,215.50 : x
  2. Step 2: Convert to fraction form
    190,583.60/285,867.20 = 64,215.50/x
  3. Step 3: Cross multiply
    190,583.60x = 285,867.20 × 64,215.50
  4. Step 4: Simplify right side
    190,583.60x = 18,357,103,912.80
  5. Step 5: Solve for x
    x = 18,357,103,912.80/190,583.60
  6. Step 6: Final answer
    x = 96,320.48

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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.