Home / 162,072.18-223,670.84-90,466.16

Finding the Fourth Proportional to 162,072.18, 223,670.84 and 90,466.16

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Solution

The fourth proportional to 162,072.18, 223,670.84 and 90,466.16 is: 124,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,072.18 : 223,670.84 = 90,466.16 : x
  2. Step 2: Convert to fraction form
    162,072.18/223,670.84 = 90,466.16/x
  3. Step 3: Cross multiply
    162,072.18x = 223,670.84 × 90,466.16
  4. Step 4: Simplify right side
    162,072.18x = 20,234,640,428.09
  5. Step 5: Solve for x
    x = 20,234,640,428.09/162,072.18
  6. Step 6: Final answer
    x = 124,849.56

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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.