Home / 262,385.26-393,328.51-102,563.65

Finding the Fourth Proportional to 262,385.26, 393,328.51 and 102,563.65

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Solution

The fourth proportional to 262,385.26, 393,328.51 and 102,563.65 is: 153,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,385.26 : 393,328.51 = 102,563.65 : x
  2. Step 2: Convert to fraction form
    262,385.26/393,328.51 = 102,563.65/x
  3. Step 3: Cross multiply
    262,385.26x = 393,328.51 × 102,563.65
  4. Step 4: Simplify right side
    262,385.26x = 40,341,207,869.91
  5. Step 5: Solve for x
    x = 40,341,207,869.91/262,385.26
  6. Step 6: Final answer
    x = 153,748.00

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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.