Home / 209,848.79-289,590.90-114,355.26

Finding the Fourth Proportional to 209,848.79, 289,590.90 and 114,355.26

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Solution

The fourth proportional to 209,848.79, 289,590.90 and 114,355.26 is: 157,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,848.79 : 289,590.90 = 114,355.26 : x
  2. Step 2: Convert to fraction form
    209,848.79/289,590.90 = 114,355.26/x
  3. Step 3: Cross multiply
    209,848.79x = 289,590.90 × 114,355.26
  4. Step 4: Simplify right side
    209,848.79x = 33,116,242,234.30
  5. Step 5: Solve for x
    x = 33,116,242,234.30/209,848.79
  6. Step 6: Final answer
    x = 157,810.02

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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.