Home / 228,111.16-314,765.94-126,122.84

Finding the Fourth Proportional to 228,111.16, 314,765.94 and 126,122.84

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Solution

The fourth proportional to 228,111.16, 314,765.94 and 126,122.84 is: 174,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,111.16 : 314,765.94 = 126,122.84 : x
  2. Step 2: Convert to fraction form
    228,111.16/314,765.94 = 126,122.84/x
  3. Step 3: Cross multiply
    228,111.16x = 314,765.94 × 126,122.84
  4. Step 4: Simplify right side
    228,111.16x = 39,699,174,288.07
  5. Step 5: Solve for x
    x = 39,699,174,288.07/228,111.16
  6. Step 6: Final answer
    x = 174,034.34

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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.