Home / 181,135.19-249,967.47-113,191.65

Finding the Fourth Proportional to 181,135.19, 249,967.47 and 113,191.65

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Solution

The fourth proportional to 181,135.19, 249,967.47 and 113,191.65 is: 156,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,135.19 : 249,967.47 = 113,191.65 : x
  2. Step 2: Convert to fraction form
    181,135.19/249,967.47 = 113,191.65/x
  3. Step 3: Cross multiply
    181,135.19x = 249,967.47 × 113,191.65
  4. Step 4: Simplify right side
    181,135.19x = 28,294,230,375.63
  5. Step 5: Solve for x
    x = 28,294,230,375.63/181,135.19
  6. Step 6: Final answer
    x = 156,205.05

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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.