Home / 236,425.27-326,266.39-128,995.24

Finding the Fourth Proportional to 236,425.27, 326,266.39 and 128,995.24

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Solution

The fourth proportional to 236,425.27, 326,266.39 and 128,995.24 is: 178,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,425.27 : 326,266.39 = 128,995.24 : x
  2. Step 2: Convert to fraction form
    236,425.27/326,266.39 = 128,995.24/x
  3. Step 3: Cross multiply
    236,425.27x = 326,266.39 × 128,995.24
  4. Step 4: Simplify right side
    236,425.27x = 42,086,811,281.98
  5. Step 5: Solve for x
    x = 42,086,811,281.98/236,425.27
  6. Step 6: Final answer
    x = 178,013.17

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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.