Home / 102,110.19-140,764.34-67,597.09

Finding the Fourth Proportional to 102,110.19, 140,764.34 and 67,597.09

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Solution

The fourth proportional to 102,110.19, 140,764.34 and 67,597.09 is: 93,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,110.19 : 140,764.34 = 67,597.09 : x
  2. Step 2: Convert to fraction form
    102,110.19/140,764.34 = 67,597.09/x
  3. Step 3: Cross multiply
    102,110.19x = 140,764.34 × 67,597.09
  4. Step 4: Simplify right side
    102,110.19x = 9,515,258,971.45
  5. Step 5: Solve for x
    x = 9,515,258,971.45/102,110.19
  6. Step 6: Final answer
    x = 93,186.19

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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.