Home / 146,295.72-219,618.54-87,159.24

Finding the Fourth Proportional to 146,295.72, 219,618.54 and 87,159.24

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Solution

The fourth proportional to 146,295.72, 219,618.54 and 87,159.24 is: 130,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,295.72 : 219,618.54 = 87,159.24 : x
  2. Step 2: Convert to fraction form
    146,295.72/219,618.54 = 87,159.24/x
  3. Step 3: Cross multiply
    146,295.72x = 219,618.54 × 87,159.24
  4. Step 4: Simplify right side
    146,295.72x = 19,141,785,036.31
  5. Step 5: Solve for x
    x = 19,141,785,036.31/146,295.72
  6. Step 6: Final answer
    x = 130,843.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.