Home / 196,312.14-270,924.75-111,434.67

Finding the Fourth Proportional to 196,312.14, 270,924.75 and 111,434.67

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Solution

The fourth proportional to 196,312.14, 270,924.75 and 111,434.67 is: 153,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,312.14 : 270,924.75 = 111,434.67 : x
  2. Step 2: Convert to fraction form
    196,312.14/270,924.75 = 111,434.67/x
  3. Step 3: Cross multiply
    196,312.14x = 270,924.75 × 111,434.67
  4. Step 4: Simplify right side
    196,312.14x = 30,190,410,111.08
  5. Step 5: Solve for x
    x = 30,190,410,111.08/196,312.14
  6. Step 6: Final answer
    x = 153,787.79

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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.