Home / 147,548.90-203,610.28-83,885.33

Finding the Fourth Proportional to 147,548.90, 203,610.28 and 83,885.33

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Solution

The fourth proportional to 147,548.90, 203,610.28 and 83,885.33 is: 115,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,548.90 : 203,610.28 = 83,885.33 : x
  2. Step 2: Convert to fraction form
    147,548.90/203,610.28 = 83,885.33/x
  3. Step 3: Cross multiply
    147,548.90x = 203,610.28 × 83,885.33
  4. Step 4: Simplify right side
    147,548.90x = 17,079,915,828.50
  5. Step 5: Solve for x
    x = 17,079,915,828.50/147,548.90
  6. Step 6: Final answer
    x = 115,757.66

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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.