Home / 136,572.48-204,885.60-57,686.40

Finding the Fourth Proportional to 136,572.48, 204,885.60 and 57,686.40

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Solution

The fourth proportional to 136,572.48, 204,885.60 and 57,686.40 is: 86,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,572.48 : 204,885.60 = 57,686.40 : x
  2. Step 2: Convert to fraction form
    136,572.48/204,885.60 = 57,686.40/x
  3. Step 3: Cross multiply
    136,572.48x = 204,885.60 × 57,686.40
  4. Step 4: Simplify right side
    136,572.48x = 11,819,112,675.84
  5. Step 5: Solve for x
    x = 11,819,112,675.84/136,572.48
  6. Step 6: Final answer
    x = 86,540.95

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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.