Home / 300,428.61-414,637.02-171,366.45

Finding the Fourth Proportional to 300,428.61, 414,637.02 and 171,366.45

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Solution

The fourth proportional to 300,428.61, 414,637.02 and 171,366.45 is: 236,511.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,428.61 : 414,637.02 = 171,366.45 : x
  2. Step 2: Convert to fraction form
    300,428.61/414,637.02 = 171,366.45/x
  3. Step 3: Cross multiply
    300,428.61x = 414,637.02 × 171,366.45
  4. Step 4: Simplify right side
    300,428.61x = 71,054,874,155.98
  5. Step 5: Solve for x
    x = 71,054,874,155.98/300,428.61
  6. Step 6: Final answer
    x = 236,511.68

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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.