Home / 228,221.26-314,943.51-127,619.26

Finding the Fourth Proportional to 228,221.26, 314,943.51 and 127,619.26

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Solution

The fourth proportional to 228,221.26, 314,943.51 and 127,619.26 is: 176,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,221.26 : 314,943.51 = 127,619.26 : x
  2. Step 2: Convert to fraction form
    228,221.26/314,943.51 = 127,619.26/x
  3. Step 3: Cross multiply
    228,221.26x = 314,943.51 × 127,619.26
  4. Step 4: Simplify right side
    228,221.26x = 40,192,857,688.00
  5. Step 5: Solve for x
    x = 40,192,857,688.00/228,221.26
  6. Step 6: Final answer
    x = 176,113.56

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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.