Home / 212,648.34-293,112.65-143,716.24

Finding the Fourth Proportional to 212,648.34, 293,112.65 and 143,716.24

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Solution

The fourth proportional to 212,648.34, 293,112.65 and 143,716.24 is: 198,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,648.34 : 293,112.65 = 143,716.24 : x
  2. Step 2: Convert to fraction form
    212,648.34/293,112.65 = 143,716.24/x
  3. Step 3: Cross multiply
    212,648.34x = 293,112.65 × 143,716.24
  4. Step 4: Simplify right side
    212,648.34x = 42,125,047,954.44
  5. Step 5: Solve for x
    x = 42,125,047,954.44/212,648.34
  6. Step 6: Final answer
    x = 198,097.23

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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.