Home / 135,534.87-203,303.93-64,465.07

Finding the Fourth Proportional to 135,534.87, 203,303.93 and 64,465.07

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Solution

The fourth proportional to 135,534.87, 203,303.93 and 64,465.07 is: 96,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,534.87 : 203,303.93 = 64,465.07 : x
  2. Step 2: Convert to fraction form
    135,534.87/203,303.93 = 64,465.07/x
  3. Step 3: Cross multiply
    135,534.87x = 203,303.93 × 64,465.07
  4. Step 4: Simplify right side
    135,534.87x = 13,106,000,739.88
  5. Step 5: Solve for x
    x = 13,106,000,739.88/135,534.87
  6. Step 6: Final answer
    x = 96,698.37

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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.