Home / 382,718.32-574,054.44-169,423.78

Finding the Fourth Proportional to 382,718.32, 574,054.44 and 169,423.78

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Solution

The fourth proportional to 382,718.32, 574,054.44 and 169,423.78 is: 254,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,718.32 : 574,054.44 = 169,423.78 : x
  2. Step 2: Convert to fraction form
    382,718.32/574,054.44 = 169,423.78/x
  3. Step 3: Cross multiply
    382,718.32x = 574,054.44 × 169,423.78
  4. Step 4: Simplify right side
    382,718.32x = 97,258,473,150.58
  5. Step 5: Solve for x
    x = 97,258,473,150.58/382,718.32
  6. Step 6: Final answer
    x = 254,125.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.