Home / 247,215.18-370,858.23-76,450.17

Finding the Fourth Proportional to 247,215.18, 370,858.23 and 76,450.17

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Solution

The fourth proportional to 247,215.18, 370,858.23 and 76,450.17 is: 114,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,215.18 : 370,858.23 = 76,450.17 : x
  2. Step 2: Convert to fraction form
    247,215.18/370,858.23 = 76,450.17/x
  3. Step 3: Cross multiply
    247,215.18x = 370,858.23 × 76,450.17
  4. Step 4: Simplify right side
    247,215.18x = 28,352,174,729.40
  5. Step 5: Solve for x
    x = 28,352,174,729.40/247,215.18
  6. Step 6: Final answer
    x = 114,686.22

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1.5x scale

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.