Home / 183,709.10-253,533.21-103,141.91

Finding the Fourth Proportional to 183,709.10, 253,533.21 and 103,141.91

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Solution

The fourth proportional to 183,709.10, 253,533.21 and 103,141.91 is: 142,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,709.10 : 253,533.21 = 103,141.91 : x
  2. Step 2: Convert to fraction form
    183,709.10/253,533.21 = 103,141.91/x
  3. Step 3: Cross multiply
    183,709.10x = 253,533.21 × 103,141.91
  4. Step 4: Simplify right side
    183,709.10x = 26,149,899,774.88
  5. Step 5: Solve for x
    x = 26,149,899,774.88/183,709.10
  6. Step 6: Final answer
    x = 142,344.06

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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.