Home / 190,478.28-262,886.75-117,904.44

Finding the Fourth Proportional to 190,478.28, 262,886.75 and 117,904.44

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Solution

The fourth proportional to 190,478.28, 262,886.75 and 117,904.44 is: 162,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,478.28 : 262,886.75 = 117,904.44 : x
  2. Step 2: Convert to fraction form
    190,478.28/262,886.75 = 117,904.44/x
  3. Step 3: Cross multiply
    190,478.28x = 262,886.75 × 117,904.44
  4. Step 4: Simplify right side
    190,478.28x = 30,995,514,452.65
  5. Step 5: Solve for x
    x = 30,995,514,452.65/190,478.28
  6. Step 6: Final answer
    x = 162,724.67

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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.