Home / 189,518.10-283,931.55-154,266.90

Finding the Fourth Proportional to 189,518.10, 283,931.55 and 154,266.90

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Solution

The fourth proportional to 189,518.10, 283,931.55 and 154,266.90 is: 231,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,518.10 : 283,931.55 = 154,266.90 : x
  2. Step 2: Convert to fraction form
    189,518.10/283,931.55 = 154,266.90/x
  3. Step 3: Cross multiply
    189,518.10x = 283,931.55 × 154,266.90
  4. Step 4: Simplify right side
    189,518.10x = 43,801,240,030.70
  5. Step 5: Solve for x
    x = 43,801,240,030.70/189,518.10
  6. Step 6: Final answer
    x = 231,119.03

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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.