Home / 189,266.83-283,928.69-61,140.34

Finding the Fourth Proportional to 189,266.83, 283,928.69 and 61,140.34

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Solution

The fourth proportional to 189,266.83, 283,928.69 and 61,140.34 is: 91,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,266.83 : 283,928.69 = 61,140.34 : x
  2. Step 2: Convert to fraction form
    189,266.83/283,928.69 = 61,140.34/x
  3. Step 3: Cross multiply
    189,266.83x = 283,928.69 × 61,140.34
  4. Step 4: Simplify right side
    189,266.83x = 17,359,496,336.65
  5. Step 5: Solve for x
    x = 17,359,496,336.65/189,266.83
  6. Step 6: Final answer
    x = 91,719.70

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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.