Home / 144,579.35-199,495.77-90,826.31

Finding the Fourth Proportional to 144,579.35, 199,495.77 and 90,826.31

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Solution

The fourth proportional to 144,579.35, 199,495.77 and 90,826.31 is: 125,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,579.35 : 199,495.77 = 90,826.31 : x
  2. Step 2: Convert to fraction form
    144,579.35/199,495.77 = 90,826.31/x
  3. Step 3: Cross multiply
    144,579.35x = 199,495.77 × 90,826.31
  4. Step 4: Simplify right side
    144,579.35x = 18,119,464,649.71
  5. Step 5: Solve for x
    x = 18,119,464,649.71/144,579.35
  6. Step 6: Final answer
    x = 125,325.40

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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.