Home / 209,627.86-289,280.12-116,493.27

Finding the Fourth Proportional to 209,627.86, 289,280.12 and 116,493.27

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Solution

The fourth proportional to 209,627.86, 289,280.12 and 116,493.27 is: 160,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,627.86 : 289,280.12 = 116,493.27 : x
  2. Step 2: Convert to fraction form
    209,627.86/289,280.12 = 116,493.27/x
  3. Step 3: Cross multiply
    209,627.86x = 289,280.12 × 116,493.27
  4. Step 4: Simplify right side
    209,627.86x = 33,699,186,979.18
  5. Step 5: Solve for x
    x = 33,699,186,979.18/209,627.86
  6. Step 6: Final answer
    x = 160,757.20

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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.