Home / 227,998.40-314,594.48-143,077.19

Finding the Fourth Proportional to 227,998.40, 314,594.48 and 143,077.19

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Solution

The fourth proportional to 227,998.40, 314,594.48 and 143,077.19 is: 197,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,998.40 : 314,594.48 = 143,077.19 : x
  2. Step 2: Convert to fraction form
    227,998.40/314,594.48 = 143,077.19/x
  3. Step 3: Cross multiply
    227,998.40x = 314,594.48 × 143,077.19
  4. Step 4: Simplify right side
    227,998.40x = 45,011,292,972.63
  5. Step 5: Solve for x
    x = 45,011,292,972.63/227,998.40
  6. Step 6: Final answer
    x = 197,419.34

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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.