Home / 151,055.40-226,388.70-91,828.20

Finding the Fourth Proportional to 151,055.40, 226,388.70 and 91,828.20

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Solution

The fourth proportional to 151,055.40, 226,388.70 and 91,828.20 is: 137,624.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,055.40 : 226,388.70 = 91,828.20 : x
  2. Step 2: Convert to fraction form
    151,055.40/226,388.70 = 91,828.20/x
  3. Step 3: Cross multiply
    151,055.40x = 226,388.70 × 91,828.20
  4. Step 4: Simplify right side
    151,055.40x = 20,788,866,821.34
  5. Step 5: Solve for x
    x = 20,788,866,821.34/151,055.40
  6. Step 6: Final answer
    x = 137,624.12

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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.