Home / 463,619.80-695,429.70-164,438.20

Finding the Fourth Proportional to 463,619.80, 695,429.70 and 164,438.20

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Solution

The fourth proportional to 463,619.80, 695,429.70 and 164,438.20 is: 246,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,619.80 : 695,429.70 = 164,438.20 : x
  2. Step 2: Convert to fraction form
    463,619.80/695,429.70 = 164,438.20/x
  3. Step 3: Cross multiply
    463,619.80x = 695,429.70 × 164,438.20
  4. Step 4: Simplify right side
    463,619.80x = 114,355,208,094.54
  5. Step 5: Solve for x
    x = 114,355,208,094.54/463,619.80
  6. Step 6: Final answer
    x = 246,657.30

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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.