Home / 209,250.48-288,771.32-113,763.72

Finding the Fourth Proportional to 209,250.48, 288,771.32 and 113,763.72

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Solution

The fourth proportional to 209,250.48, 288,771.32 and 113,763.72 is: 156,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,250.48 : 288,771.32 = 113,763.72 : x
  2. Step 2: Convert to fraction form
    209,250.48/288,771.32 = 113,763.72/x
  3. Step 3: Cross multiply
    209,250.48x = 288,771.32 × 113,763.72
  4. Step 4: Simplify right side
    209,250.48x = 32,851,699,592.51
  5. Step 5: Solve for x
    x = 32,851,699,592.51/209,250.48
  6. Step 6: Final answer
    x = 156,997.01

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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.