Home / 190,572.91-285,478.20-114,629.51

Finding the Fourth Proportional to 190,572.91, 285,478.20 and 114,629.51

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Solution

The fourth proportional to 190,572.91, 285,478.20 and 114,629.51 is: 171,715.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,572.91 : 285,478.20 = 114,629.51 : x
  2. Step 2: Convert to fraction form
    190,572.91/285,478.20 = 114,629.51/x
  3. Step 3: Cross multiply
    190,572.91x = 285,478.20 × 114,629.51
  4. Step 4: Simplify right side
    190,572.91x = 32,724,226,895.38
  5. Step 5: Solve for x
    x = 32,724,226,895.38/190,572.91
  6. Step 6: Final answer
    x = 171,715.00

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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.