Home / 141,911.22-212,751.38-53,114.96

Finding the Fourth Proportional to 141,911.22, 212,751.38 and 53,114.96

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Solution

The fourth proportional to 141,911.22, 212,751.38 and 53,114.96 is: 79,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,911.22 : 212,751.38 = 53,114.96 : x
  2. Step 2: Convert to fraction form
    141,911.22/212,751.38 = 53,114.96/x
  3. Step 3: Cross multiply
    141,911.22x = 212,751.38 × 53,114.96
  4. Step 4: Simplify right side
    141,911.22x = 11,300,281,038.64
  5. Step 5: Solve for x
    x = 11,300,281,038.64/141,911.22
  6. Step 6: Final answer
    x = 79,629.23

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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.