Home / 153,454.27-211,693.54-119,228.53

Finding the Fourth Proportional to 153,454.27, 211,693.54 and 119,228.53

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Solution

The fourth proportional to 153,454.27, 211,693.54 and 119,228.53 is: 164,478.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,454.27 : 211,693.54 = 119,228.53 : x
  2. Step 2: Convert to fraction form
    153,454.27/211,693.54 = 119,228.53/x
  3. Step 3: Cross multiply
    153,454.27x = 211,693.54 × 119,228.53
  4. Step 4: Simplify right side
    153,454.27x = 25,239,907,930.09
  5. Step 5: Solve for x
    x = 25,239,907,930.09/153,454.27
  6. Step 6: Final answer
    x = 164,478.37

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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.