Home / 134,909.80-202,235.10-104,907.40

Finding the Fourth Proportional to 134,909.80, 202,235.10 and 104,907.40

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Solution

The fourth proportional to 134,909.80, 202,235.10 and 104,907.40 is: 157,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,909.80 : 202,235.10 = 104,907.40 : x
  2. Step 2: Convert to fraction form
    134,909.80/202,235.10 = 104,907.40/x
  3. Step 3: Cross multiply
    134,909.80x = 202,235.10 × 104,907.40
  4. Step 4: Simplify right side
    134,909.80x = 21,215,958,529.74
  5. Step 5: Solve for x
    x = 21,215,958,529.74/134,909.80
  6. Step 6: Final answer
    x = 157,260.32

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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.