Home / 190,573.16-285,478.56-114,629.75

Finding the Fourth Proportional to 190,573.16, 285,478.56 and 114,629.75

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Solution

The fourth proportional to 190,573.16, 285,478.56 and 114,629.75 is: 171,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,573.16 : 285,478.56 = 114,629.75 : x
  2. Step 2: Convert to fraction form
    190,573.16/285,478.56 = 114,629.75/x
  3. Step 3: Cross multiply
    190,573.16x = 285,478.56 × 114,629.75
  4. Step 4: Simplify right side
    190,573.16x = 32,724,335,606.31
  5. Step 5: Solve for x
    x = 32,724,335,606.31/190,573.16
  6. Step 6: Final answer
    x = 171,715.35

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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.