Home / 313,271.29-432,309.72-177,331.02

Finding the Fourth Proportional to 313,271.29, 432,309.72 and 177,331.02

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Solution

The fourth proportional to 313,271.29, 432,309.72 and 177,331.02 is: 244,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,271.29 : 432,309.72 = 177,331.02 : x
  2. Step 2: Convert to fraction form
    313,271.29/432,309.72 = 177,331.02/x
  3. Step 3: Cross multiply
    313,271.29x = 432,309.72 × 177,331.02
  4. Step 4: Simplify right side
    313,271.29x = 76,661,923,603.51
  5. Step 5: Solve for x
    x = 76,661,923,603.51/313,271.29
  6. Step 6: Final answer
    x = 244,714.17

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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.