Home / 181,138.41-249,971.91-113,194.86

Finding the Fourth Proportional to 181,138.41, 249,971.91 and 113,194.86

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Solution

The fourth proportional to 181,138.41, 249,971.91 and 113,194.86 is: 156,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,138.41 : 249,971.91 = 113,194.86 : x
  2. Step 2: Convert to fraction form
    181,138.41/249,971.91 = 113,194.86/x
  3. Step 3: Cross multiply
    181,138.41x = 249,971.91 × 113,194.86
  4. Step 4: Simplify right side
    181,138.41x = 28,295,534,790.41
  5. Step 5: Solve for x
    x = 28,295,534,790.41/181,138.41
  6. Step 6: Final answer
    x = 156,209.47

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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.