Home / 209,656.01-289,316.61-114,162.48

Finding the Fourth Proportional to 209,656.01, 289,316.61 and 114,162.48

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Solution

The fourth proportional to 209,656.01, 289,316.61 and 114,162.48 is: 157,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,656.01 : 289,316.61 = 114,162.48 : x
  2. Step 2: Convert to fraction form
    209,656.01/289,316.61 = 114,162.48/x
  3. Step 3: Cross multiply
    209,656.01x = 289,316.61 × 114,162.48
  4. Step 4: Simplify right side
    209,656.01x = 33,029,101,702.79
  5. Step 5: Solve for x
    x = 33,029,101,702.79/209,656.01
  6. Step 6: Final answer
    x = 157,539.49

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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.