Home / 190,446.49-285,870.62-186,157.18

Finding the Fourth Proportional to 190,446.49, 285,870.62 and 186,157.18

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Solution

The fourth proportional to 190,446.49, 285,870.62 and 186,157.18 is: 279,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,446.49 : 285,870.62 = 186,157.18 : x
  2. Step 2: Convert to fraction form
    190,446.49/285,870.62 = 186,157.18/x
  3. Step 3: Cross multiply
    190,446.49x = 285,870.62 × 186,157.18
  4. Step 4: Simplify right side
    190,446.49x = 53,216,868,464.05
  5. Step 5: Solve for x
    x = 53,216,868,464.05/190,446.49
  6. Step 6: Final answer
    x = 279,432.13

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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.