Home / 228,119.40-314,777.16-126,137.88

Finding the Fourth Proportional to 228,119.40, 314,777.16 and 126,137.88

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Solution

The fourth proportional to 228,119.40, 314,777.16 and 126,137.88 is: 174,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,119.40 : 314,777.16 = 126,137.88 : x
  2. Step 2: Convert to fraction form
    228,119.40/314,777.16 = 126,137.88/x
  3. Step 3: Cross multiply
    228,119.40x = 314,777.16 × 126,137.88
  4. Step 4: Simplify right side
    228,119.40x = 39,705,323,634.82
  5. Step 5: Solve for x
    x = 39,705,323,634.82/228,119.40
  6. Step 6: Final answer
    x = 174,055.01

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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.