Home / 183,935.34-253,836.75-103,378.38

Finding the Fourth Proportional to 183,935.34, 253,836.75 and 103,378.38

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Solution

The fourth proportional to 183,935.34, 253,836.75 and 103,378.38 is: 142,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,935.34 : 253,836.75 = 103,378.38 : x
  2. Step 2: Convert to fraction form
    183,935.34/253,836.75 = 103,378.38/x
  3. Step 3: Cross multiply
    183,935.34x = 253,836.75 × 103,378.38
  4. Step 4: Simplify right side
    183,935.34x = 26,241,231,999.47
  5. Step 5: Solve for x
    x = 26,241,231,999.47/183,935.34
  6. Step 6: Final answer
    x = 142,665.53

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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.