Home / 228,159.69-314,857.56-126,183.29

Finding the Fourth Proportional to 228,159.69, 314,857.56 and 126,183.29

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Solution

The fourth proportional to 228,159.69, 314,857.56 and 126,183.29 is: 174,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,159.69 : 314,857.56 = 126,183.29 : x
  2. Step 2: Convert to fraction form
    228,159.69/314,857.56 = 126,183.29/x
  3. Step 3: Cross multiply
    228,159.69x = 314,857.56 × 126,183.29
  4. Step 4: Simplify right side
    228,159.69x = 39,729,761,701.07
  5. Step 5: Solve for x
    x = 39,729,761,701.07/228,159.69
  6. Step 6: Final answer
    x = 174,131.38

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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.