Home / 158,921.48-219,505.93-118,813.52

Finding the Fourth Proportional to 158,921.48, 219,505.93 and 118,813.52

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Solution

The fourth proportional to 158,921.48, 219,505.93 and 118,813.52 is: 164,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,921.48 : 219,505.93 = 118,813.52 : x
  2. Step 2: Convert to fraction form
    158,921.48/219,505.93 = 118,813.52/x
  3. Step 3: Cross multiply
    158,921.48x = 219,505.93 × 118,813.52
  4. Step 4: Simplify right side
    158,921.48x = 26,080,272,455.90
  5. Step 5: Solve for x
    x = 26,080,272,455.90/158,921.48
  6. Step 6: Final answer
    x = 164,107.91

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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.