Home / 142,858.62-214,317.89-54,110.16

Finding the Fourth Proportional to 142,858.62, 214,317.89 and 54,110.16

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Solution

The fourth proportional to 142,858.62, 214,317.89 and 54,110.16 is: 81,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,858.62 : 214,317.89 = 54,110.16 : x
  2. Step 2: Convert to fraction form
    142,858.62/214,317.89 = 54,110.16/x
  3. Step 3: Cross multiply
    142,858.62x = 214,317.89 × 54,110.16
  4. Step 4: Simplify right side
    142,858.62x = 11,596,775,048.21
  5. Step 5: Solve for x
    x = 11,596,775,048.21/142,858.62
  6. Step 6: Final answer
    x = 81,176.59

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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.