Home / 139,319.35-192,319.56-94,058.64

Finding the Fourth Proportional to 139,319.35, 192,319.56 and 94,058.64

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Solution

The fourth proportional to 139,319.35, 192,319.56 and 94,058.64 is: 129,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,319.35 : 192,319.56 = 94,058.64 : x
  2. Step 2: Convert to fraction form
    139,319.35/192,319.56 = 94,058.64/x
  3. Step 3: Cross multiply
    139,319.35x = 192,319.56 × 94,058.64
  4. Step 4: Simplify right side
    139,319.35x = 18,089,315,722.04
  5. Step 5: Solve for x
    x = 18,089,315,722.04/139,319.35
  6. Step 6: Final answer
    x = 129,840.65

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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.