Home / 190,400.08-285,659.80-114,581.34

Finding the Fourth Proportional to 190,400.08, 285,659.80 and 114,581.34

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Solution

The fourth proportional to 190,400.08, 285,659.80 and 114,581.34 is: 171,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,400.08 : 285,659.80 = 114,581.34 : x
  2. Step 2: Convert to fraction form
    190,400.08/285,659.80 = 114,581.34/x
  3. Step 3: Cross multiply
    190,400.08x = 285,659.80 × 114,581.34
  4. Step 4: Simplify right side
    190,400.08x = 32,731,282,668.13
  5. Step 5: Solve for x
    x = 32,731,282,668.13/190,400.08
  6. Step 6: Final answer
    x = 171,907.92

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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.