Home / 162,071.43-223,669.80-90,465.41

Finding the Fourth Proportional to 162,071.43, 223,669.80 and 90,465.41

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Solution

The fourth proportional to 162,071.43, 223,669.80 and 90,465.41 is: 124,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,071.43 : 223,669.80 = 90,465.41 : x
  2. Step 2: Convert to fraction form
    162,071.43/223,669.80 = 90,465.41/x
  3. Step 3: Cross multiply
    162,071.43x = 223,669.80 × 90,465.41
  4. Step 4: Simplify right side
    162,071.43x = 20,234,379,043.27
  5. Step 5: Solve for x
    x = 20,234,379,043.27/162,071.43
  6. Step 6: Final answer
    x = 124,848.53

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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.