Home / 208,771.09-288,104.04-113,277.76

Finding the Fourth Proportional to 208,771.09, 288,104.04 and 113,277.76

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Solution

The fourth proportional to 208,771.09, 288,104.04 and 113,277.76 is: 156,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,771.09 : 288,104.04 = 113,277.76 : x
  2. Step 2: Convert to fraction form
    208,771.09/288,104.04 = 113,277.76/x
  3. Step 3: Cross multiply
    208,771.09x = 288,104.04 × 113,277.76
  4. Step 4: Simplify right side
    208,771.09x = 32,635,779,577.89
  5. Step 5: Solve for x
    x = 32,635,779,577.89/208,771.09
  6. Step 6: Final answer
    x = 156,323.27

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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.