Home / 189,113.10-283,669.65-105,996.30

Finding the Fourth Proportional to 189,113.10, 283,669.65 and 105,996.30

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Solution

The fourth proportional to 189,113.10, 283,669.65 and 105,996.30 is: 158,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,113.10 : 283,669.65 = 105,996.30 : x
  2. Step 2: Convert to fraction form
    189,113.10/283,669.65 = 105,996.30/x
  3. Step 3: Cross multiply
    189,113.10x = 283,669.65 × 105,996.30
  4. Step 4: Simplify right side
    189,113.10x = 30,067,933,322.30
  5. Step 5: Solve for x
    x = 30,067,933,322.30/189,113.10
  6. Step 6: Final answer
    x = 158,994.45

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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.