Home / 247,782.10-371,687.23-70,275.06

Finding the Fourth Proportional to 247,782.10, 371,687.23 and 70,275.06

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Solution

The fourth proportional to 247,782.10, 371,687.23 and 70,275.06 is: 105,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,782.10 : 371,687.23 = 70,275.06 : x
  2. Step 2: Convert to fraction form
    247,782.10/371,687.23 = 70,275.06/x
  3. Step 3: Cross multiply
    247,782.10x = 371,687.23 × 70,275.06
  4. Step 4: Simplify right side
    247,782.10x = 26,120,342,389.48
  5. Step 5: Solve for x
    x = 26,120,342,389.48/247,782.10
  6. Step 6: Final answer
    x = 105,416.58

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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.