Home / 209,563.74-289,189.26-114,070.50

Finding the Fourth Proportional to 209,563.74, 289,189.26 and 114,070.50

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Solution

The fourth proportional to 209,563.74, 289,189.26 and 114,070.50 is: 157,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,563.74 : 289,189.26 = 114,070.50 : x
  2. Step 2: Convert to fraction form
    209,563.74/289,189.26 = 114,070.50/x
  3. Step 3: Cross multiply
    209,563.74x = 289,189.26 × 114,070.50
  4. Step 4: Simplify right side
    209,563.74x = 32,987,963,482.83
  5. Step 5: Solve for x
    x = 32,987,963,482.83/209,563.74
  6. Step 6: Final answer
    x = 157,412.55

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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.