Home / 135,643.10-203,464.65-46,887.35

Finding the Fourth Proportional to 135,643.10, 203,464.65 and 46,887.35

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Solution

The fourth proportional to 135,643.10, 203,464.65 and 46,887.35 is: 70,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,643.10 : 203,464.65 = 46,887.35 : x
  2. Step 2: Convert to fraction form
    135,643.10/203,464.65 = 46,887.35/x
  3. Step 3: Cross multiply
    135,643.10x = 203,464.65 × 46,887.35
  4. Step 4: Simplify right side
    135,643.10x = 9,539,918,257.18
  5. Step 5: Solve for x
    x = 9,539,918,257.18/135,643.10
  6. Step 6: Final answer
    x = 70,331.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.