Home / 141,430.74-212,067.54-65,446.26

Finding the Fourth Proportional to 141,430.74, 212,067.54 and 65,446.26

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Solution

The fourth proportional to 141,430.74, 212,067.54 and 65,446.26 is: 98,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,430.74 : 212,067.54 = 65,446.26 : x
  2. Step 2: Convert to fraction form
    141,430.74/212,067.54 = 65,446.26/x
  3. Step 3: Cross multiply
    141,430.74x = 212,067.54 × 65,446.26
  4. Step 4: Simplify right side
    141,430.74x = 13,879,027,360.40
  5. Step 5: Solve for x
    x = 13,879,027,360.40/141,430.74
  6. Step 6: Final answer
    x = 98,133.03

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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.