Home / 313,204.09-432,222.78-169,964.10

Finding the Fourth Proportional to 313,204.09, 432,222.78 and 169,964.10

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Solution

The fourth proportional to 313,204.09, 432,222.78 and 169,964.10 is: 234,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,204.09 : 432,222.78 = 169,964.10 : x
  2. Step 2: Convert to fraction form
    313,204.09/432,222.78 = 169,964.10/x
  3. Step 3: Cross multiply
    313,204.09x = 432,222.78 × 169,964.10
  4. Step 4: Simplify right side
    313,204.09x = 73,462,355,802.20
  5. Step 5: Solve for x
    x = 73,462,355,802.20/313,204.09
  6. Step 6: Final answer
    x = 234,551.07

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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.