Home / 228,138.36-314,841.24-127,536.36

Finding the Fourth Proportional to 228,138.36, 314,841.24 and 127,536.36

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Solution

The fourth proportional to 228,138.36, 314,841.24 and 127,536.36 is: 176,005.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,138.36 : 314,841.24 = 127,536.36 : x
  2. Step 2: Convert to fraction form
    228,138.36/314,841.24 = 127,536.36/x
  3. Step 3: Cross multiply
    228,138.36x = 314,841.24 × 127,536.36
  4. Step 4: Simplify right side
    228,138.36x = 40,153,705,727.49
  5. Step 5: Solve for x
    x = 40,153,705,727.49/228,138.36
  6. Step 6: Final answer
    x = 176,005.94

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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.