Home / 141,409.08-212,058.03-51,430.43

Finding the Fourth Proportional to 141,409.08, 212,058.03 and 51,430.43

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Solution

The fourth proportional to 141,409.08, 212,058.03 and 51,430.43 is: 77,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,409.08 : 212,058.03 = 51,430.43 : x
  2. Step 2: Convert to fraction form
    141,409.08/212,058.03 = 51,430.43/x
  3. Step 3: Cross multiply
    141,409.08x = 212,058.03 × 51,430.43
  4. Step 4: Simplify right side
    141,409.08x = 10,906,235,667.85
  5. Step 5: Solve for x
    x = 10,906,235,667.85/141,409.08
  6. Step 6: Final answer
    x = 77,125.43

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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.