Home / 346,772.20-520,172.70-110,108.20

Finding the Fourth Proportional to 346,772.20, 520,172.70 and 110,108.20

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Solution

The fourth proportional to 346,772.20, 520,172.70 and 110,108.20 is: 165,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,772.20 : 520,172.70 = 110,108.20 : x
  2. Step 2: Convert to fraction form
    346,772.20/520,172.70 = 110,108.20/x
  3. Step 3: Cross multiply
    346,772.20x = 520,172.70 × 110,108.20
  4. Step 4: Simplify right side
    346,772.20x = 57,275,279,686.14
  5. Step 5: Solve for x
    x = 57,275,279,686.14/346,772.20
  6. Step 6: Final answer
    x = 165,166.87

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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.