Home / 147,018.96-202,905.54-143,015.94

Finding the Fourth Proportional to 147,018.96, 202,905.54 and 143,015.94

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Solution

The fourth proportional to 147,018.96, 202,905.54 and 143,015.94 is: 197,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,018.96 : 202,905.54 = 143,015.94 : x
  2. Step 2: Convert to fraction form
    147,018.96/202,905.54 = 143,015.94/x
  3. Step 3: Cross multiply
    147,018.96x = 202,905.54 × 143,015.94
  4. Step 4: Simplify right side
    147,018.96x = 29,018,726,534.31
  5. Step 5: Solve for x
    x = 29,018,726,534.31/147,018.96
  6. Step 6: Final answer
    x = 197,380.84

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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.