Home / 181,059.23-249,850.08-100,486.80

Finding the Fourth Proportional to 181,059.23, 249,850.08 and 100,486.80

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Solution

The fourth proportional to 181,059.23, 249,850.08 and 100,486.80 is: 138,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,059.23 : 249,850.08 = 100,486.80 : x
  2. Step 2: Convert to fraction form
    181,059.23/249,850.08 = 100,486.80/x
  3. Step 3: Cross multiply
    181,059.23x = 249,850.08 × 100,486.80
  4. Step 4: Simplify right side
    181,059.23x = 25,106,635,018.94
  5. Step 5: Solve for x
    x = 25,106,635,018.94/181,059.23
  6. Step 6: Final answer
    x = 138,665.31

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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.