Home / 180,145.23-248,625.13-103,662.76

Finding the Fourth Proportional to 180,145.23, 248,625.13 and 103,662.76

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Solution

The fourth proportional to 180,145.23, 248,625.13 and 103,662.76 is: 143,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,145.23 : 248,625.13 = 103,662.76 : x
  2. Step 2: Convert to fraction form
    180,145.23/248,625.13 = 103,662.76/x
  3. Step 3: Cross multiply
    180,145.23x = 248,625.13 × 103,662.76
  4. Step 4: Simplify right side
    180,145.23x = 25,773,167,181.16
  5. Step 5: Solve for x
    x = 25,773,167,181.16/180,145.23
  6. Step 6: Final answer
    x = 143,068.83

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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.