Home / 209,495.08-289,100.39-114,001.55

Finding the Fourth Proportional to 209,495.08, 289,100.39 and 114,001.55

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Solution

The fourth proportional to 209,495.08, 289,100.39 and 114,001.55 is: 157,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,495.08 : 289,100.39 = 114,001.55 : x
  2. Step 2: Convert to fraction form
    209,495.08/289,100.39 = 114,001.55/x
  3. Step 3: Cross multiply
    209,495.08x = 289,100.39 × 114,001.55
  4. Step 4: Simplify right side
    209,495.08x = 32,957,892,565.60
  5. Step 5: Solve for x
    x = 32,957,892,565.60/209,495.08
  6. Step 6: Final answer
    x = 157,320.60

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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.