Home / 183,900.56-253,775.70-103,331.48

Finding the Fourth Proportional to 183,900.56, 253,775.70 and 103,331.48

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Solution

The fourth proportional to 183,900.56, 253,775.70 and 103,331.48 is: 142,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,900.56 : 253,775.70 = 103,331.48 : x
  2. Step 2: Convert to fraction form
    183,900.56/253,775.70 = 103,331.48/x
  3. Step 3: Cross multiply
    183,900.56x = 253,775.70 × 103,331.48
  4. Step 4: Simplify right side
    183,900.56x = 26,223,018,669.04
  5. Step 5: Solve for x
    x = 26,223,018,669.04/183,900.56
  6. Step 6: Final answer
    x = 142,593.47

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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.