Home / 134,918.60-202,402.20-56,040.80

Finding the Fourth Proportional to 134,918.60, 202,402.20 and 56,040.80

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Solution

The fourth proportional to 134,918.60, 202,402.20 and 56,040.80 is: 84,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,918.60 : 202,402.20 = 56,040.80 : x
  2. Step 2: Convert to fraction form
    134,918.60/202,402.20 = 56,040.80/x
  3. Step 3: Cross multiply
    134,918.60x = 202,402.20 × 56,040.80
  4. Step 4: Simplify right side
    134,918.60x = 11,342,781,209.76
  5. Step 5: Solve for x
    x = 11,342,781,209.76/134,918.60
  6. Step 6: Final answer
    x = 84,071.29

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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.