Home / 228,106.98-314,760.15-126,118.68

Finding the Fourth Proportional to 228,106.98, 314,760.15 and 126,118.68

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Solution

The fourth proportional to 228,106.98, 314,760.15 and 126,118.68 is: 174,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,106.98 : 314,760.15 = 126,118.68 : x
  2. Step 2: Convert to fraction form
    228,106.98/314,760.15 = 126,118.68/x
  3. Step 3: Cross multiply
    228,106.98x = 314,760.15 × 126,118.68
  4. Step 4: Simplify right side
    228,106.98x = 39,697,134,634.60
  5. Step 5: Solve for x
    x = 39,697,134,634.60/228,106.98
  6. Step 6: Final answer
    x = 174,028.58

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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.