Home / 213,141.66-294,135.45-117,648.33

Finding the Fourth Proportional to 213,141.66, 294,135.45 and 117,648.33

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Solution

The fourth proportional to 213,141.66, 294,135.45 and 117,648.33 is: 162,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,141.66 : 294,135.45 = 117,648.33 : x
  2. Step 2: Convert to fraction form
    213,141.66/294,135.45 = 117,648.33/x
  3. Step 3: Cross multiply
    213,141.66x = 294,135.45 × 117,648.33
  4. Step 4: Simplify right side
    213,141.66x = 34,604,544,486.30
  5. Step 5: Solve for x
    x = 34,604,544,486.30/213,141.66
  6. Step 6: Final answer
    x = 162,354.67

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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.