Home / 313,213.17-432,237.35-169,974.45

Finding the Fourth Proportional to 313,213.17, 432,237.35 and 169,974.45

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Solution

The fourth proportional to 313,213.17, 432,237.35 and 169,974.45 is: 234,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,213.17 : 432,237.35 = 169,974.45 : x
  2. Step 2: Convert to fraction form
    313,213.17/432,237.35 = 169,974.45/x
  3. Step 3: Cross multiply
    313,213.17x = 432,237.35 × 169,974.45
  4. Step 4: Simplify right side
    313,213.17x = 73,469,304,985.84
  5. Step 5: Solve for x
    x = 73,469,304,985.84/313,213.17
  6. Step 6: Final answer
    x = 234,566.46

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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.