Home / 239,090.19-329,945.42-143,598.51

Finding the Fourth Proportional to 239,090.19, 329,945.42 and 143,598.51

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Solution

The fourth proportional to 239,090.19, 329,945.42 and 143,598.51 is: 198,166.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,090.19 : 329,945.42 = 143,598.51 : x
  2. Step 2: Convert to fraction form
    239,090.19/329,945.42 = 143,598.51/x
  3. Step 3: Cross multiply
    239,090.19x = 329,945.42 × 143,598.51
  4. Step 4: Simplify right side
    239,090.19x = 47,379,669,975.33
  5. Step 5: Solve for x
    x = 47,379,669,975.33/239,090.19
  6. Step 6: Final answer
    x = 198,166.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.