Home / 190,763.49-286,142.31-64,492.44

Finding the Fourth Proportional to 190,763.49, 286,142.31 and 64,492.44

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Solution

The fourth proportional to 190,763.49, 286,142.31 and 64,492.44 is: 96,737.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,763.49 : 286,142.31 = 64,492.44 : x
  2. Step 2: Convert to fraction form
    190,763.49/286,142.31 = 64,492.44/x
  3. Step 3: Cross multiply
    190,763.49x = 286,142.31 × 64,492.44
  4. Step 4: Simplify right side
    190,763.49x = 18,454,015,759.14
  5. Step 5: Solve for x
    x = 18,454,015,759.14/190,763.49
  6. Step 6: Final answer
    x = 96,737.67

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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.