Home / 268,118.37-401,565.06-127,975.41

Finding the Fourth Proportional to 268,118.37, 401,565.06 and 127,975.41

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Solution

The fourth proportional to 268,118.37, 401,565.06 and 127,975.41 is: 191,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,118.37 : 401,565.06 = 127,975.41 : x
  2. Step 2: Convert to fraction form
    268,118.37/401,565.06 = 127,975.41/x
  3. Step 3: Cross multiply
    268,118.37x = 401,565.06 × 127,975.41
  4. Step 4: Simplify right side
    268,118.37x = 51,390,453,195.17
  5. Step 5: Solve for x
    x = 51,390,453,195.17/268,118.37
  6. Step 6: Final answer
    x = 191,670.77

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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.