Home / 181,138.10-249,971.48-113,194.55

Finding the Fourth Proportional to 181,138.10, 249,971.48 and 113,194.55

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Solution

The fourth proportional to 181,138.10, 249,971.48 and 113,194.55 is: 156,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,138.10 : 249,971.48 = 113,194.55 : x
  2. Step 2: Convert to fraction form
    181,138.10/249,971.48 = 113,194.55/x
  3. Step 3: Cross multiply
    181,138.10x = 249,971.48 × 113,194.55
  4. Step 4: Simplify right side
    181,138.10x = 28,295,409,250.39
  5. Step 5: Solve for x
    x = 28,295,409,250.39/181,138.10
  6. Step 6: Final answer
    x = 156,209.05

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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.