Home / 221,022.15-331,535.53-176,929.19

Finding the Fourth Proportional to 221,022.15, 331,535.53 and 176,929.19

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Solution

The fourth proportional to 221,022.15, 331,535.53 and 176,929.19 is: 265,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,022.15 : 331,535.53 = 176,929.19 : x
  2. Step 2: Convert to fraction form
    221,022.15/331,535.53 = 176,929.19/x
  3. Step 3: Cross multiply
    221,022.15x = 331,535.53 × 176,929.19
  4. Step 4: Simplify right side
    221,022.15x = 58,658,312,779.12
  5. Step 5: Solve for x
    x = 58,658,312,779.12/221,022.15
  6. Step 6: Final answer
    x = 265,395.63

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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.