Home / 143,867.03-198,621.66-127,907.33

Finding the Fourth Proportional to 143,867.03, 198,621.66 and 127,907.33

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Solution

The fourth proportional to 143,867.03, 198,621.66 and 127,907.33 is: 176,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,867.03 : 198,621.66 = 127,907.33 : x
  2. Step 2: Convert to fraction form
    143,867.03/198,621.66 = 127,907.33/x
  3. Step 3: Cross multiply
    143,867.03x = 198,621.66 × 127,907.33
  4. Step 4: Simplify right side
    143,867.03x = 25,405,166,210.77
  5. Step 5: Solve for x
    x = 25,405,166,210.77/143,867.03
  6. Step 6: Final answer
    x = 176,587.83

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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.