Home / 171,736.04-236,721.89-135,378.20

Finding the Fourth Proportional to 171,736.04, 236,721.89 and 135,378.20

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Solution

The fourth proportional to 171,736.04, 236,721.89 and 135,378.20 is: 186,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,736.04 : 236,721.89 = 135,378.20 : x
  2. Step 2: Convert to fraction form
    171,736.04/236,721.89 = 135,378.20/x
  3. Step 3: Cross multiply
    171,736.04x = 236,721.89 × 135,378.20
  4. Step 4: Simplify right side
    171,736.04x = 32,046,984,299.05
  5. Step 5: Solve for x
    x = 32,046,984,299.05/171,736.04
  6. Step 6: Final answer
    x = 186,606.05

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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.