Home / 316,320.33-436,521.58-173,080.34

Finding the Fourth Proportional to 316,320.33, 436,521.58 and 173,080.34

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Solution

The fourth proportional to 316,320.33, 436,521.58 and 173,080.34 is: 238,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,320.33 : 436,521.58 = 173,080.34 : x
  2. Step 2: Convert to fraction form
    316,320.33/436,521.58 = 173,080.34/x
  3. Step 3: Cross multiply
    316,320.33x = 436,521.58 × 173,080.34
  4. Step 4: Simplify right side
    316,320.33x = 75,553,303,483.74
  5. Step 5: Solve for x
    x = 75,553,303,483.74/316,320.33
  6. Step 6: Final answer
    x = 238,850.61

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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.