Home / 158,145.39-218,219.08-94,469.67

Finding the Fourth Proportional to 158,145.39, 218,219.08 and 94,469.67

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Solution

The fourth proportional to 158,145.39, 218,219.08 and 94,469.67 is: 130,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,145.39 : 218,219.08 = 94,469.67 : x
  2. Step 2: Convert to fraction form
    158,145.39/218,219.08 = 94,469.67/x
  3. Step 3: Cross multiply
    158,145.39x = 218,219.08 × 94,469.67
  4. Step 4: Simplify right side
    158,145.39x = 20,615,084,475.30
  5. Step 5: Solve for x
    x = 20,615,084,475.30/158,145.39
  6. Step 6: Final answer
    x = 130,355.27

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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.