Home / 153,828.56-212,201.16-106,105.52

Finding the Fourth Proportional to 153,828.56, 212,201.16 and 106,105.52

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Solution

The fourth proportional to 153,828.56, 212,201.16 and 106,105.52 is: 146,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,828.56 : 212,201.16 = 106,105.52 : x
  2. Step 2: Convert to fraction form
    153,828.56/212,201.16 = 106,105.52/x
  3. Step 3: Cross multiply
    153,828.56x = 212,201.16 × 106,105.52
  4. Step 4: Simplify right side
    153,828.56x = 22,515,714,426.40
  5. Step 5: Solve for x
    x = 22,515,714,426.40/153,828.56
  6. Step 6: Final answer
    x = 146,368.88

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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.