Home / 146,222.35-219,333.51-79,718.40

Finding the Fourth Proportional to 146,222.35, 219,333.51 and 79,718.40

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Solution

The fourth proportional to 146,222.35, 219,333.51 and 79,718.40 is: 119,577.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,222.35 : 219,333.51 = 79,718.40 : x
  2. Step 2: Convert to fraction form
    146,222.35/219,333.51 = 79,718.40/x
  3. Step 3: Cross multiply
    146,222.35x = 219,333.51 × 79,718.40
  4. Step 4: Simplify right side
    146,222.35x = 17,484,916,483.58
  5. Step 5: Solve for x
    x = 17,484,916,483.58/146,222.35
  6. Step 6: Final answer
    x = 119,577.59

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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.