Home / 180,214.18-248,714.13-103,736.14

Finding the Fourth Proportional to 180,214.18, 248,714.13 and 103,736.14

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Solution

The fourth proportional to 180,214.18, 248,714.13 and 103,736.14 is: 143,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,214.18 : 248,714.13 = 103,736.14 : x
  2. Step 2: Convert to fraction form
    180,214.18/248,714.13 = 103,736.14/x
  3. Step 3: Cross multiply
    180,214.18x = 248,714.13 × 103,736.14
  4. Step 4: Simplify right side
    180,214.18x = 25,800,643,809.66
  5. Step 5: Solve for x
    x = 25,800,643,809.66/180,214.18
  6. Step 6: Final answer
    x = 143,166.56

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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.