Home / 213,180.56-294,156.88-141,665.68

Finding the Fourth Proportional to 213,180.56, 294,156.88 and 141,665.68

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Solution

The fourth proportional to 213,180.56, 294,156.88 and 141,665.68 is: 195,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,180.56 : 294,156.88 = 141,665.68 : x
  2. Step 2: Convert to fraction form
    213,180.56/294,156.88 = 141,665.68/x
  3. Step 3: Cross multiply
    213,180.56x = 294,156.88 × 141,665.68
  4. Step 4: Simplify right side
    213,180.56x = 41,671,934,431.88
  5. Step 5: Solve for x
    x = 41,671,934,431.88/213,180.56
  6. Step 6: Final answer
    x = 195,477.18

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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.