Home / 147,559.57-203,611.67-83,890.33

Finding the Fourth Proportional to 147,559.57, 203,611.67 and 83,890.33

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Solution

The fourth proportional to 147,559.57, 203,611.67 and 83,890.33 is: 115,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,559.57 : 203,611.67 = 83,890.33 : x
  2. Step 2: Convert to fraction form
    147,559.57/203,611.67 = 83,890.33/x
  3. Step 3: Cross multiply
    147,559.57x = 203,611.67 × 83,890.33
  4. Step 4: Simplify right side
    147,559.57x = 17,081,049,768.70
  5. Step 5: Solve for x
    x = 17,081,049,768.70/147,559.57
  6. Step 6: Final answer
    x = 115,756.98

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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.