Home / 208,990.45-288,495.06-141,099.34

Finding the Fourth Proportional to 208,990.45, 288,495.06 and 141,099.34

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Solution

The fourth proportional to 208,990.45, 288,495.06 and 141,099.34 is: 194,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,990.45 : 288,495.06 = 141,099.34 : x
  2. Step 2: Convert to fraction form
    208,990.45/288,495.06 = 141,099.34/x
  3. Step 3: Cross multiply
    208,990.45x = 288,495.06 × 141,099.34
  4. Step 4: Simplify right side
    208,990.45x = 40,706,462,559.26
  5. Step 5: Solve for x
    x = 40,706,462,559.26/208,990.45
  6. Step 6: Final answer
    x = 194,776.66

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1.5x scale

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.