Home / 117,988.68-176,835.20-92,929.71

Finding the Fourth Proportional to 117,988.68, 176,835.20 and 92,929.71

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Solution

The fourth proportional to 117,988.68, 176,835.20 and 92,929.71 is: 139,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,988.68 : 176,835.20 = 92,929.71 : x
  2. Step 2: Convert to fraction form
    117,988.68/176,835.20 = 92,929.71/x
  3. Step 3: Cross multiply
    117,988.68x = 176,835.20 × 92,929.71
  4. Step 4: Simplify right side
    117,988.68x = 16,433,243,389.14
  5. Step 5: Solve for x
    x = 16,433,243,389.14/117,988.68
  6. Step 6: Final answer
    x = 139,278.14

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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.