Home / 189,316.23-283,891.26-70,904.50

Finding the Fourth Proportional to 189,316.23, 283,891.26 and 70,904.50

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Solution

The fourth proportional to 189,316.23, 283,891.26 and 70,904.50 is: 106,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,316.23 : 283,891.26 = 70,904.50 : x
  2. Step 2: Convert to fraction form
    189,316.23/283,891.26 = 70,904.50/x
  3. Step 3: Cross multiply
    189,316.23x = 283,891.26 × 70,904.50
  4. Step 4: Simplify right side
    189,316.23x = 20,129,167,844.67
  5. Step 5: Solve for x
    x = 20,129,167,844.67/189,316.23
  6. Step 6: Final answer
    x = 106,325.63

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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.