Home / 117,977.47-176,818.50-92,918.57

Finding the Fourth Proportional to 117,977.47, 176,818.50 and 92,918.57

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Solution

The fourth proportional to 117,977.47, 176,818.50 and 92,918.57 is: 139,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,977.47 : 176,818.50 = 92,918.57 : x
  2. Step 2: Convert to fraction form
    117,977.47/176,818.50 = 92,918.57/x
  3. Step 3: Cross multiply
    117,977.47x = 176,818.50 × 92,918.57
  4. Step 4: Simplify right side
    117,977.47x = 16,429,722,169.55
  5. Step 5: Solve for x
    x = 16,429,722,169.55/117,977.47
  6. Step 6: Final answer
    x = 139,261.52

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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.