Home / 111,028.41-153,215.37-63,297.18

Finding the Fourth Proportional to 111,028.41, 153,215.37 and 63,297.18

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Solution

The fourth proportional to 111,028.41, 153,215.37 and 63,297.18 is: 87,347.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,028.41 : 153,215.37 = 63,297.18 : x
  2. Step 2: Convert to fraction form
    111,028.41/153,215.37 = 63,297.18/x
  3. Step 3: Cross multiply
    111,028.41x = 153,215.37 × 63,297.18
  4. Step 4: Simplify right side
    111,028.41x = 9,698,100,853.66
  5. Step 5: Solve for x
    x = 9,698,100,853.66/111,028.41
  6. Step 6: Final answer
    x = 87,347.92

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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.