Home / 236,244.72-326,015.64-135,643.44

Finding the Fourth Proportional to 236,244.72, 326,015.64 and 135,643.44

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Solution

The fourth proportional to 236,244.72, 326,015.64 and 135,643.44 is: 187,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,244.72 : 326,015.64 = 135,643.44 : x
  2. Step 2: Convert to fraction form
    236,244.72/326,015.64 = 135,643.44/x
  3. Step 3: Cross multiply
    236,244.72x = 326,015.64 × 135,643.44
  4. Step 4: Simplify right side
    236,244.72x = 44,221,882,903.40
  5. Step 5: Solve for x
    x = 44,221,882,903.40/236,244.72
  6. Step 6: Final answer
    x = 187,186.76

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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.