Home / 168,981.76-253,528.80-56,672.96

Finding the Fourth Proportional to 168,981.76, 253,528.80 and 56,672.96

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Solution

The fourth proportional to 168,981.76, 253,528.80 and 56,672.96 is: 85,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,981.76 : 253,528.80 = 56,672.96 : x
  2. Step 2: Convert to fraction form
    168,981.76/253,528.80 = 56,672.96/x
  3. Step 3: Cross multiply
    168,981.76x = 253,528.80 × 56,672.96
  4. Step 4: Simplify right side
    168,981.76x = 14,368,227,541.25
  5. Step 5: Solve for x
    x = 14,368,227,541.25/168,981.76
  6. Step 6: Final answer
    x = 85,028.27

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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.