Home / 142,164.12-213,246.42-48,670.68

Finding the Fourth Proportional to 142,164.12, 213,246.42 and 48,670.68

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Solution

The fourth proportional to 142,164.12, 213,246.42 and 48,670.68 is: 73,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164.12 : 213,246.42 = 48,670.68 : x
  2. Step 2: Convert to fraction form
    142,164.12/213,246.42 = 48,670.68/x
  3. Step 3: Cross multiply
    142,164.12x = 213,246.42 × 48,670.68
  4. Step 4: Simplify right side
    142,164.12x = 10,378,848,268.97
  5. Step 5: Solve for x
    x = 10,378,848,268.97/142,164.12
  6. Step 6: Final answer
    x = 73,006.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.