Home / 117,980.55-176,823.09-92,921.63

Finding the Fourth Proportional to 117,980.55, 176,823.09 and 92,921.63

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Solution

The fourth proportional to 117,980.55, 176,823.09 and 92,921.63 is: 139,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,980.55 : 176,823.09 = 92,921.63 : x
  2. Step 2: Convert to fraction form
    117,980.55/176,823.09 = 92,921.63/x
  3. Step 3: Cross multiply
    117,980.55x = 176,823.09 × 92,921.63
  4. Step 4: Simplify right side
    117,980.55x = 16,430,688,860.32
  5. Step 5: Solve for x
    x = 16,430,688,860.32/117,980.55
  6. Step 6: Final answer
    x = 139,266.08

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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.