Home / 127,601.63-191,431.05-38,862.08

Finding the Fourth Proportional to 127,601.63, 191,431.05 and 38,862.08

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Solution

The fourth proportional to 127,601.63, 191,431.05 and 38,862.08 is: 58,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,601.63 : 191,431.05 = 38,862.08 : x
  2. Step 2: Convert to fraction form
    127,601.63/191,431.05 = 38,862.08/x
  3. Step 3: Cross multiply
    127,601.63x = 191,431.05 × 38,862.08
  4. Step 4: Simplify right side
    127,601.63x = 7,439,408,394.56
  5. Step 5: Solve for x
    x = 7,439,408,394.56/127,601.63
  6. Step 6: Final answer
    x = 58,301.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.