Home / 300,557.20-414,769.80-164,592.40

Finding the Fourth Proportional to 300,557.20, 414,769.80 and 164,592.40

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Solution

The fourth proportional to 300,557.20, 414,769.80 and 164,592.40 is: 227,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,557.20 : 414,769.80 = 164,592.40 : x
  2. Step 2: Convert to fraction form
    300,557.20/414,769.80 = 164,592.40/x
  3. Step 3: Cross multiply
    300,557.20x = 414,769.80 × 164,592.40
  4. Step 4: Simplify right side
    300,557.20x = 68,267,956,829.52
  5. Step 5: Solve for x
    x = 68,267,956,829.52/300,557.20
  6. Step 6: Final answer
    x = 227,137.99

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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.