Home / 228,126.51-314,816.60-126,158.82

Finding the Fourth Proportional to 228,126.51, 314,816.60 and 126,158.82

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Solution

The fourth proportional to 228,126.51, 314,816.60 and 126,158.82 is: 174,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,126.51 : 314,816.60 = 126,158.82 : x
  2. Step 2: Convert to fraction form
    228,126.51/314,816.60 = 126,158.82/x
  3. Step 3: Cross multiply
    228,126.51x = 314,816.60 × 126,158.82
  4. Step 4: Simplify right side
    228,126.51x = 39,716,890,772.41
  5. Step 5: Solve for x
    x = 39,716,890,772.41/228,126.51
  6. Step 6: Final answer
    x = 174,100.29

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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.