Home / 178,272.10-246,015.51-102,820.60

Finding the Fourth Proportional to 178,272.10, 246,015.51 and 102,820.60

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Solution

The fourth proportional to 178,272.10, 246,015.51 and 102,820.60 is: 141,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,272.10 : 246,015.51 = 102,820.60 : x
  2. Step 2: Convert to fraction form
    178,272.10/246,015.51 = 102,820.60/x
  3. Step 3: Cross multiply
    178,272.10x = 246,015.51 × 102,820.60
  4. Step 4: Simplify right side
    178,272.10x = 25,295,462,347.51
  5. Step 5: Solve for x
    x = 25,295,462,347.51/178,272.10
  6. Step 6: Final answer
    x = 141,892.43

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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.