Home / 147,609.60-221,520.80-58,811.68

Finding the Fourth Proportional to 147,609.60, 221,520.80 and 58,811.68

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Solution

The fourth proportional to 147,609.60, 221,520.80 and 58,811.68 is: 88,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,609.60 : 221,520.80 = 58,811.68 : x
  2. Step 2: Convert to fraction form
    147,609.60/221,520.80 = 58,811.68/x
  3. Step 3: Cross multiply
    147,609.60x = 221,520.80 × 58,811.68
  4. Step 4: Simplify right side
    147,609.60x = 13,028,010,402.94
  5. Step 5: Solve for x
    x = 13,028,010,402.94/147,609.60
  6. Step 6: Final answer
    x = 88,259.91

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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.