Home / 132,911.40-199,402.30-57,999.40

Finding the Fourth Proportional to 132,911.40, 199,402.30 and 57,999.40

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Solution

The fourth proportional to 132,911.40, 199,402.30 and 57,999.40 is: 87,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,911.40 : 199,402.30 = 57,999.40 : x
  2. Step 2: Convert to fraction form
    132,911.40/199,402.30 = 57,999.40/x
  3. Step 3: Cross multiply
    132,911.40x = 199,402.30 × 57,999.40
  4. Step 4: Simplify right side
    132,911.40x = 11,565,213,758.62
  5. Step 5: Solve for x
    x = 11,565,213,758.62/132,911.40
  6. Step 6: Final answer
    x = 87,014.46

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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.