Home / 247,796.08-371,708.24-70,289.20

Finding the Fourth Proportional to 247,796.08, 371,708.24 and 70,289.20

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Solution

The fourth proportional to 247,796.08, 371,708.24 and 70,289.20 is: 105,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,796.08 : 371,708.24 = 70,289.20 : x
  2. Step 2: Convert to fraction form
    247,796.08/371,708.24 = 70,289.20/x
  3. Step 3: Cross multiply
    247,796.08x = 371,708.24 × 70,289.20
  4. Step 4: Simplify right side
    247,796.08x = 26,127,074,823.01
  5. Step 5: Solve for x
    x = 26,127,074,823.01/247,796.08
  6. Step 6: Final answer
    x = 105,437.81

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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.