Home / 131,101.48-180,935.58-74,521.36

Finding the Fourth Proportional to 131,101.48, 180,935.58 and 74,521.36

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Solution

The fourth proportional to 131,101.48, 180,935.58 and 74,521.36 is: 102,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,101.48 : 180,935.58 = 74,521.36 : x
  2. Step 2: Convert to fraction form
    131,101.48/180,935.58 = 74,521.36/x
  3. Step 3: Cross multiply
    131,101.48x = 180,935.58 × 74,521.36
  4. Step 4: Simplify right side
    131,101.48x = 13,483,565,493.99
  5. Step 5: Solve for x
    x = 13,483,565,493.99/131,101.48
  6. Step 6: Final answer
    x = 102,848.31

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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.