Home / 273,026.28-409,537.80-70,622.40

Finding the Fourth Proportional to 273,026.28, 409,537.80 and 70,622.40

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Solution

The fourth proportional to 273,026.28, 409,537.80 and 70,622.40 is: 105,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,026.28 : 409,537.80 = 70,622.40 : x
  2. Step 2: Convert to fraction form
    273,026.28/409,537.80 = 70,622.40/x
  3. Step 3: Cross multiply
    273,026.28x = 409,537.80 × 70,622.40
  4. Step 4: Simplify right side
    273,026.28x = 28,922,542,326.72
  5. Step 5: Solve for x
    x = 28,922,542,326.72/273,026.28
  6. Step 6: Final answer
    x = 105,933.18

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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.