Home / 184,015.76-253,913.28-103,428.32

Finding the Fourth Proportional to 184,015.76, 253,913.28 and 103,428.32

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Solution

The fourth proportional to 184,015.76, 253,913.28 and 103,428.32 is: 142,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,015.76 : 253,913.28 = 103,428.32 : x
  2. Step 2: Convert to fraction form
    184,015.76/253,913.28 = 103,428.32/x
  3. Step 3: Cross multiply
    184,015.76x = 253,913.28 × 103,428.32
  4. Step 4: Simplify right side
    184,015.76x = 26,261,823,976.09
  5. Step 5: Solve for x
    x = 26,261,823,976.09/184,015.76
  6. Step 6: Final answer
    x = 142,715.08

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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.