Home / 171,869.19-257,905.85-92,981.67

Finding the Fourth Proportional to 171,869.19, 257,905.85 and 92,981.67

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Solution

The fourth proportional to 171,869.19, 257,905.85 and 92,981.67 is: 139,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,869.19 : 257,905.85 = 92,981.67 : x
  2. Step 2: Convert to fraction form
    171,869.19/257,905.85 = 92,981.67/x
  3. Step 3: Cross multiply
    171,869.19x = 257,905.85 × 92,981.67
  4. Step 4: Simplify right side
    171,869.19x = 23,980,516,170.86
  5. Step 5: Solve for x
    x = 23,980,516,170.86/171,869.19
  6. Step 6: Final answer
    x = 139,527.72

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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.