Home / 158,172.92-218,293.48-94,509.36

Finding the Fourth Proportional to 158,172.92, 218,293.48 and 94,509.36

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Solution

The fourth proportional to 158,172.92, 218,293.48 and 94,509.36 is: 130,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,172.92 : 218,293.48 = 94,509.36 : x
  2. Step 2: Convert to fraction form
    158,172.92/218,293.48 = 94,509.36/x
  3. Step 3: Cross multiply
    158,172.92x = 218,293.48 × 94,509.36
  4. Step 4: Simplify right side
    158,172.92x = 20,630,777,086.97
  5. Step 5: Solve for x
    x = 20,630,777,086.97/158,172.92
  6. Step 6: Final answer
    x = 130,431.79

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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.