Home / 212,575.09-293,374.32-158,766.67

Finding the Fourth Proportional to 212,575.09, 293,374.32 and 158,766.67

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Solution

The fourth proportional to 212,575.09, 293,374.32 and 158,766.67 is: 219,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,575.09 : 293,374.32 = 158,766.67 : x
  2. Step 2: Convert to fraction form
    212,575.09/293,374.32 = 158,766.67/x
  3. Step 3: Cross multiply
    212,575.09x = 293,374.32 × 158,766.67
  4. Step 4: Simplify right side
    212,575.09x = 46,578,063,849.91
  5. Step 5: Solve for x
    x = 46,578,063,849.91/212,575.09
  6. Step 6: Final answer
    x = 219,113.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.