Home / 313,276.32-432,321.71-170,036.42

Finding the Fourth Proportional to 313,276.32, 432,321.71 and 170,036.42

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Solution

The fourth proportional to 313,276.32, 432,321.71 and 170,036.42 is: 234,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,276.32 : 432,321.71 = 170,036.42 : x
  2. Step 2: Convert to fraction form
    313,276.32/432,321.71 = 170,036.42/x
  3. Step 3: Cross multiply
    313,276.32x = 432,321.71 × 170,036.42
  4. Step 4: Simplify right side
    313,276.32x = 73,510,432,844.89
  5. Step 5: Solve for x
    x = 73,510,432,844.89/313,276.32
  6. Step 6: Final answer
    x = 234,650.46

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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.