Home / 190,532.87-285,813.27-64,172.46

Finding the Fourth Proportional to 190,532.87, 285,813.27 and 64,172.46

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Solution

The fourth proportional to 190,532.87, 285,813.27 and 64,172.46 is: 96,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,532.87 : 285,813.27 = 64,172.46 : x
  2. Step 2: Convert to fraction form
    190,532.87/285,813.27 = 64,172.46/x
  3. Step 3: Cross multiply
    190,532.87x = 285,813.27 × 64,172.46
  4. Step 4: Simplify right side
    190,532.87x = 18,341,340,636.54
  5. Step 5: Solve for x
    x = 18,341,340,636.54/190,532.87
  6. Step 6: Final answer
    x = 96,263.40

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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.