Home / 205,914.96-308,868.48-56,152.80

Finding the Fourth Proportional to 205,914.96, 308,868.48 and 56,152.80

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Solution

The fourth proportional to 205,914.96, 308,868.48 and 56,152.80 is: 84,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,914.96 : 308,868.48 = 56,152.80 : x
  2. Step 2: Convert to fraction form
    205,914.96/308,868.48 = 56,152.80/x
  3. Step 3: Cross multiply
    205,914.96x = 308,868.48 × 56,152.80
  4. Step 4: Simplify right side
    205,914.96x = 17,343,829,983.74
  5. Step 5: Solve for x
    x = 17,343,829,983.74/205,914.96
  6. Step 6: Final answer
    x = 84,228.12

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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.