Home / 171,359.45-236,053.50-145,783.89

Finding the Fourth Proportional to 171,359.45, 236,053.50 and 145,783.89

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Solution

The fourth proportional to 171,359.45, 236,053.50 and 145,783.89 is: 200,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,359.45 : 236,053.50 = 145,783.89 : x
  2. Step 2: Convert to fraction form
    171,359.45/236,053.50 = 145,783.89/x
  3. Step 3: Cross multiply
    171,359.45x = 236,053.50 × 145,783.89
  4. Step 4: Simplify right side
    171,359.45x = 34,412,797,478.12
  5. Step 5: Solve for x
    x = 34,412,797,478.12/171,359.45
  6. Step 6: Final answer
    x = 200,822.30

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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.