Home / 155,311.10-232,940.70-43,002.67

Finding the Fourth Proportional to 155,311.10, 232,940.70 and 43,002.67

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Solution

The fourth proportional to 155,311.10, 232,940.70 and 43,002.67 is: 64,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,311.10 : 232,940.70 = 43,002.67 : x
  2. Step 2: Convert to fraction form
    155,311.10/232,940.70 = 43,002.67/x
  3. Step 3: Cross multiply
    155,311.10x = 232,940.70 × 43,002.67
  4. Step 4: Simplify right side
    155,311.10x = 10,017,071,503.63
  5. Step 5: Solve for x
    x = 10,017,071,503.63/155,311.10
  6. Step 6: Final answer
    x = 64,496.82

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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.