Home / 209,881.45-314,729.29-60,087.61

Finding the Fourth Proportional to 209,881.45, 314,729.29 and 60,087.61

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Solution

The fourth proportional to 209,881.45, 314,729.29 and 60,087.61 is: 90,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,881.45 : 314,729.29 = 60,087.61 : x
  2. Step 2: Convert to fraction form
    209,881.45/314,729.29 = 60,087.61/x
  3. Step 3: Cross multiply
    209,881.45x = 314,729.29 × 60,087.61
  4. Step 4: Simplify right side
    209,881.45x = 18,911,330,833.10
  5. Step 5: Solve for x
    x = 18,911,330,833.10/209,881.45
  6. Step 6: Final answer
    x = 90,104.82

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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.