Home / 163,428.15-225,466-94,504.88

Finding the Fourth Proportional to 163,428.15, 225,466 and 94,504.88

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Solution

The fourth proportional to 163,428.15, 225,466 and 94,504.88 is: 130,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,428.15 : 225,466 = 94,504.88 : x
  2. Step 2: Convert to fraction form
    163,428.15/225,466 = 94,504.88/x
  3. Step 3: Cross multiply
    163,428.15x = 225,466 × 94,504.88
  4. Step 4: Simplify right side
    163,428.15x = 21,307,637,274.08
  5. Step 5: Solve for x
    x = 21,307,637,274.08/163,428.15
  6. Step 6: Final answer
    x = 130,379.24

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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.