Home / 219,268.56-302,590.61-118,666.56

Finding the Fourth Proportional to 219,268.56, 302,590.61 and 118,666.56

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Solution

The fourth proportional to 219,268.56, 302,590.61 and 118,666.56 is: 163,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,268.56 : 302,590.61 = 118,666.56 : x
  2. Step 2: Convert to fraction form
    219,268.56/302,590.61 = 118,666.56/x
  3. Step 3: Cross multiply
    219,268.56x = 302,590.61 × 118,666.56
  4. Step 4: Simplify right side
    219,268.56x = 35,907,385,264.05
  5. Step 5: Solve for x
    x = 35,907,385,264.05/219,268.56
  6. Step 6: Final answer
    x = 163,759.85

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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.