Home / 228,108.66-314,762.49-126,120.34

Finding the Fourth Proportional to 228,108.66, 314,762.49 and 126,120.34

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Solution

The fourth proportional to 228,108.66, 314,762.49 and 126,120.34 is: 174,030.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,108.66 : 314,762.49 = 126,120.34 : x
  2. Step 2: Convert to fraction form
    228,108.66/314,762.49 = 126,120.34/x
  3. Step 3: Cross multiply
    228,108.66x = 314,762.49 × 126,120.34
  4. Step 4: Simplify right side
    228,108.66x = 39,697,952,258.05
  5. Step 5: Solve for x
    x = 39,697,952,258.05/228,108.66
  6. Step 6: Final answer
    x = 174,030.89

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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.