Home / 316,528.32-436,809.18-173,297.46

Finding the Fourth Proportional to 316,528.32, 436,809.18 and 173,297.46

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Solution

The fourth proportional to 316,528.32, 436,809.18 and 173,297.46 is: 239,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,528.32 : 436,809.18 = 173,297.46 : x
  2. Step 2: Convert to fraction form
    316,528.32/436,809.18 = 173,297.46/x
  3. Step 3: Cross multiply
    316,528.32x = 436,809.18 × 173,297.46
  4. Step 4: Simplify right side
    316,528.32x = 75,697,921,398.68
  5. Step 5: Solve for x
    x = 75,697,921,398.68/316,528.32
  6. Step 6: Final answer
    x = 239,150.55

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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.