Home / 313,724.63-432,939.66-170,484.37

Finding the Fourth Proportional to 313,724.63, 432,939.66 and 170,484.37

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Solution

The fourth proportional to 313,724.63, 432,939.66 and 170,484.37 is: 235,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,724.63 : 432,939.66 = 170,484.37 : x
  2. Step 2: Convert to fraction form
    313,724.63/432,939.66 = 170,484.37/x
  3. Step 3: Cross multiply
    313,724.63x = 432,939.66 × 170,484.37
  4. Step 4: Simplify right side
    313,724.63x = 73,809,443,018.42
  5. Step 5: Solve for x
    x = 73,809,443,018.42/313,724.63
  6. Step 6: Final answer
    x = 235,268.24

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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.