Home / 489,140.10-733,928.86-173,823.30

Finding the Fourth Proportional to 489,140.10, 733,928.86 and 173,823.30

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Solution

The fourth proportional to 489,140.10, 733,928.86 and 173,823.30 is: 260,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,140.10 : 733,928.86 = 173,823.30 : x
  2. Step 2: Convert to fraction form
    489,140.10/733,928.86 = 173,823.30/x
  3. Step 3: Cross multiply
    489,140.10x = 733,928.86 × 173,823.30
  4. Step 4: Simplify right side
    489,140.10x = 127,573,936,410.44
  5. Step 5: Solve for x
    x = 127,573,936,410.44/489,140.10
  6. Step 6: Final answer
    x = 260,812.67

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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.