Home / 183,945.86-253,867.83-103,376.78

Finding the Fourth Proportional to 183,945.86, 253,867.83 and 103,376.78

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Solution

The fourth proportional to 183,945.86, 253,867.83 and 103,376.78 is: 142,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,945.86 : 253,867.83 = 103,376.78 : x
  2. Step 2: Convert to fraction form
    183,945.86/253,867.83 = 103,376.78/x
  3. Step 3: Cross multiply
    183,945.86x = 253,867.83 × 103,376.78
  4. Step 4: Simplify right side
    183,945.86x = 26,244,038,810.99
  5. Step 5: Solve for x
    x = 26,244,038,810.99/183,945.86
  6. Step 6: Final answer
    x = 142,672.63

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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.