Home / 316,432.87-436,660.53-173,165.23

Finding the Fourth Proportional to 316,432.87, 436,660.53 and 173,165.23

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Solution

The fourth proportional to 316,432.87, 436,660.53 and 173,165.23 is: 238,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,432.87 : 436,660.53 = 173,165.23 : x
  2. Step 2: Convert to fraction form
    316,432.87/436,660.53 = 173,165.23/x
  3. Step 3: Cross multiply
    316,432.87x = 436,660.53 × 173,165.23
  4. Step 4: Simplify right side
    316,432.87x = 75,614,421,109.37
  5. Step 5: Solve for x
    x = 75,614,421,109.37/316,432.87
  6. Step 6: Final answer
    x = 238,958.81

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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.