Home / 181,041.65-249,837.61-100,469.23

Finding the Fourth Proportional to 181,041.65, 249,837.61 and 100,469.23

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Solution

The fourth proportional to 181,041.65, 249,837.61 and 100,469.23 is: 138,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,041.65 : 249,837.61 = 100,469.23 : x
  2. Step 2: Convert to fraction form
    181,041.65/249,837.61 = 100,469.23/x
  3. Step 3: Cross multiply
    181,041.65x = 249,837.61 × 100,469.23
  4. Step 4: Simplify right side
    181,041.65x = 25,100,992,301.74
  5. Step 5: Solve for x
    x = 25,100,992,301.74/181,041.65
  6. Step 6: Final answer
    x = 138,647.61

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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.