Home / 203,237.03-280,450.63-112,596.81

Finding the Fourth Proportional to 203,237.03, 280,450.63 and 112,596.81

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Solution

The fourth proportional to 203,237.03, 280,450.63 and 112,596.81 is: 155,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,237.03 : 280,450.63 = 112,596.81 : x
  2. Step 2: Convert to fraction form
    203,237.03/280,450.63 = 112,596.81/x
  3. Step 3: Cross multiply
    203,237.03x = 280,450.63 × 112,596.81
  4. Step 4: Simplify right side
    203,237.03x = 31,577,846,019.00
  5. Step 5: Solve for x
    x = 31,577,846,019.00/203,237.03
  6. Step 6: Final answer
    x = 155,374.47

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1.5x scale

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.