Home / 313,237.90-432,205.77-190,648.17

Finding the Fourth Proportional to 313,237.90, 432,205.77 and 190,648.17

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Solution

The fourth proportional to 313,237.90, 432,205.77 and 190,648.17 is: 263,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,237.90 : 432,205.77 = 190,648.17 : x
  2. Step 2: Convert to fraction form
    313,237.90/432,205.77 = 190,648.17/x
  3. Step 3: Cross multiply
    313,237.90x = 432,205.77 × 190,648.17
  4. Step 4: Simplify right side
    313,237.90x = 82,399,239,113.94
  5. Step 5: Solve for x
    x = 82,399,239,113.94/313,237.90
  6. Step 6: Final answer
    x = 263,056.42

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1.5x scale

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.