Home / 313,259.20-432,298.12-170,019.24

Finding the Fourth Proportional to 313,259.20, 432,298.12 and 170,019.24

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Solution

The fourth proportional to 313,259.20, 432,298.12 and 170,019.24 is: 234,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,259.20 : 432,298.12 = 170,019.24 : x
  2. Step 2: Convert to fraction form
    313,259.20/432,298.12 = 170,019.24/x
  3. Step 3: Cross multiply
    313,259.20x = 432,298.12 × 170,019.24
  4. Step 4: Simplify right side
    313,259.20x = 73,498,997,815.83
  5. Step 5: Solve for x
    x = 73,498,997,815.83/313,259.20
  6. Step 6: Final answer
    x = 234,626.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.