Home / 213,148.12-294,144.42-117,654.84

Finding the Fourth Proportional to 213,148.12, 294,144.42 and 117,654.84

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Solution

The fourth proportional to 213,148.12, 294,144.42 and 117,654.84 is: 162,363.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,148.12 : 294,144.42 = 117,654.84 : x
  2. Step 2: Convert to fraction form
    213,148.12/294,144.42 = 117,654.84/x
  3. Step 3: Cross multiply
    213,148.12x = 294,144.42 × 117,654.84
  4. Step 4: Simplify right side
    213,148.12x = 34,607,514,671.99
  5. Step 5: Solve for x
    x = 34,607,514,671.99/213,148.12
  6. Step 6: Final answer
    x = 162,363.69

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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.