Home / 209,999.12-289,798.08-114,505.58

Finding the Fourth Proportional to 209,999.12, 289,798.08 and 114,505.58

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Solution

The fourth proportional to 209,999.12, 289,798.08 and 114,505.58 is: 158,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,999.12 : 289,798.08 = 114,505.58 : x
  2. Step 2: Convert to fraction form
    209,999.12/289,798.08 = 114,505.58/x
  3. Step 3: Cross multiply
    209,999.12x = 289,798.08 × 114,505.58
  4. Step 4: Simplify right side
    209,999.12x = 33,183,497,233.29
  5. Step 5: Solve for x
    x = 33,183,497,233.29/209,999.12
  6. Step 6: Final answer
    x = 158,017.32

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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.