Home / 284,032.35-391,999.36-163,173.41

Finding the Fourth Proportional to 284,032.35, 391,999.36 and 163,173.41

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Solution

The fourth proportional to 284,032.35, 391,999.36 and 163,173.41 is: 225,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,032.35 : 391,999.36 = 163,173.41 : x
  2. Step 2: Convert to fraction form
    284,032.35/391,999.36 = 163,173.41/x
  3. Step 3: Cross multiply
    284,032.35x = 391,999.36 × 163,173.41
  4. Step 4: Simplify right side
    284,032.35x = 63,963,869,921.09
  5. Step 5: Solve for x
    x = 63,963,869,921.09/284,032.35
  6. Step 6: Final answer
    x = 225,199.24

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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.