Home / 147,548.71-203,610.02-83,885.14

Finding the Fourth Proportional to 147,548.71, 203,610.02 and 83,885.14

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Solution

The fourth proportional to 147,548.71, 203,610.02 and 83,885.14 is: 115,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,548.71 : 203,610.02 = 83,885.14 : x
  2. Step 2: Convert to fraction form
    147,548.71/203,610.02 = 83,885.14/x
  3. Step 3: Cross multiply
    147,548.71x = 203,610.02 × 83,885.14
  4. Step 4: Simplify right side
    147,548.71x = 17,079,854,868.19
  5. Step 5: Solve for x
    x = 17,079,854,868.19/147,548.71
  6. Step 6: Final answer
    x = 115,757.40

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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.