Home / 185,529.48-278,305.80-52,419.96

Finding the Fourth Proportional to 185,529.48, 278,305.80 and 52,419.96

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Solution

The fourth proportional to 185,529.48, 278,305.80 and 52,419.96 is: 78,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,529.48 : 278,305.80 = 52,419.96 : x
  2. Step 2: Convert to fraction form
    185,529.48/278,305.80 = 52,419.96/x
  3. Step 3: Cross multiply
    185,529.48x = 278,305.80 × 52,419.96
  4. Step 4: Simplify right side
    185,529.48x = 14,588,778,903.77
  5. Step 5: Solve for x
    x = 14,588,778,903.77/185,529.48
  6. Step 6: Final answer
    x = 78,633.21

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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.