Home / 141,420.96-212,166-47,927.52

Finding the Fourth Proportional to 141,420.96, 212,166 and 47,927.52

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Solution

The fourth proportional to 141,420.96, 212,166 and 47,927.52 is: 71,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,420.96 : 212,166 = 47,927.52 : x
  2. Step 2: Convert to fraction form
    141,420.96/212,166 = 47,927.52/x
  3. Step 3: Cross multiply
    141,420.96x = 212,166 × 47,927.52
  4. Step 4: Simplify right side
    141,420.96x = 10,168,590,208.32
  5. Step 5: Solve for x
    x = 10,168,590,208.32/141,420.96
  6. Step 6: Final answer
    x = 71,902.99

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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.