Home / 228,142.36-314,846.76-127,540.36

Finding the Fourth Proportional to 228,142.36, 314,846.76 and 127,540.36

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Solution

The fourth proportional to 228,142.36, 314,846.76 and 127,540.36 is: 176,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,142.36 : 314,846.76 = 127,540.36 : x
  2. Step 2: Convert to fraction form
    228,142.36/314,846.76 = 127,540.36/x
  3. Step 3: Cross multiply
    228,142.36x = 314,846.76 × 127,540.36
  4. Step 4: Simplify right side
    228,142.36x = 40,155,669,115.23
  5. Step 5: Solve for x
    x = 40,155,669,115.23/228,142.36
  6. Step 6: Final answer
    x = 176,011.46

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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.