Home / 313,519.52-432,660.06-170,282.36

Finding the Fourth Proportional to 313,519.52, 432,660.06 and 170,282.36

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Solution

The fourth proportional to 313,519.52, 432,660.06 and 170,282.36 is: 234,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,519.52 : 432,660.06 = 170,282.36 : x
  2. Step 2: Convert to fraction form
    313,519.52/432,660.06 = 170,282.36/x
  3. Step 3: Cross multiply
    313,519.52x = 432,660.06 × 170,282.36
  4. Step 4: Simplify right side
    313,519.52x = 73,674,376,094.54
  5. Step 5: Solve for x
    x = 73,674,376,094.54/313,519.52
  6. Step 6: Final answer
    x = 234,991.35

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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.