Home / 141,911.13-212,594.54-79,625.37

Finding the Fourth Proportional to 141,911.13, 212,594.54 and 79,625.37

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Solution

The fourth proportional to 141,911.13, 212,594.54 and 79,625.37 is: 119,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,911.13 : 212,594.54 = 79,625.37 : x
  2. Step 2: Convert to fraction form
    141,911.13/212,594.54 = 79,625.37/x
  3. Step 3: Cross multiply
    141,911.13x = 212,594.54 × 79,625.37
  4. Step 4: Simplify right side
    141,911.13x = 16,927,918,509.35
  5. Step 5: Solve for x
    x = 16,927,918,509.35/141,911.13
  6. Step 6: Final answer
    x = 119,285.35

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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.