Home / 293,322.39-439,983.59-135,530.34

Finding the Fourth Proportional to 293,322.39, 439,983.59 and 135,530.34

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Solution

The fourth proportional to 293,322.39, 439,983.59 and 135,530.34 is: 203,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,322.39 : 439,983.59 = 135,530.34 : x
  2. Step 2: Convert to fraction form
    293,322.39/439,983.59 = 135,530.34/x
  3. Step 3: Cross multiply
    293,322.39x = 439,983.59 × 135,530.34
  4. Step 4: Simplify right side
    293,322.39x = 59,631,124,869.47
  5. Step 5: Solve for x
    x = 59,631,124,869.47/293,322.39
  6. Step 6: Final answer
    x = 203,295.51

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Similar ratio
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1.5x scale

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.