Home / 119,050.85-164,290.26-71,331.86

Finding the Fourth Proportional to 119,050.85, 164,290.26 and 71,331.86

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Solution

The fourth proportional to 119,050.85, 164,290.26 and 71,331.86 is: 98,438.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,050.85 : 164,290.26 = 71,331.86 : x
  2. Step 2: Convert to fraction form
    119,050.85/164,290.26 = 71,331.86/x
  3. Step 3: Cross multiply
    119,050.85x = 164,290.26 × 71,331.86
  4. Step 4: Simplify right side
    119,050.85x = 11,719,129,004.23
  5. Step 5: Solve for x
    x = 11,719,129,004.23/119,050.85
  6. Step 6: Final answer
    x = 98,438.02

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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.