Home / 131,848.60-181,962.24-74,498.44

Finding the Fourth Proportional to 131,848.60, 181,962.24 and 74,498.44

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Solution

The fourth proportional to 131,848.60, 181,962.24 and 74,498.44 is: 102,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,848.60 : 181,962.24 = 74,498.44 : x
  2. Step 2: Convert to fraction form
    131,848.60/181,962.24 = 74,498.44/x
  3. Step 3: Cross multiply
    131,848.60x = 181,962.24 × 74,498.44
  4. Step 4: Simplify right side
    131,848.60x = 13,555,903,018.91
  5. Step 5: Solve for x
    x = 13,555,903,018.91/131,848.60
  6. Step 6: Final answer
    x = 102,814.16

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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.