Home / 212,648.99-293,456.31-117,155.45

Finding the Fourth Proportional to 212,648.99, 293,456.31 and 117,155.45

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Solution

The fourth proportional to 212,648.99, 293,456.31 and 117,155.45 is: 161,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,648.99 : 293,456.31 = 117,155.45 : x
  2. Step 2: Convert to fraction form
    212,648.99/293,456.31 = 117,155.45/x
  3. Step 3: Cross multiply
    212,648.99x = 293,456.31 × 117,155.45
  4. Step 4: Simplify right side
    212,648.99x = 34,380,004,586.11
  5. Step 5: Solve for x
    x = 34,380,004,586.11/212,648.99
  6. Step 6: Final answer
    x = 161,674.91

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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.