Home / 189,357.85-283,654.05-118,061.65

Finding the Fourth Proportional to 189,357.85, 283,654.05 and 118,061.65

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Solution

The fourth proportional to 189,357.85, 283,654.05 and 118,061.65 is: 176,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,357.85 : 283,654.05 = 118,061.65 : x
  2. Step 2: Convert to fraction form
    189,357.85/283,654.05 = 118,061.65/x
  3. Step 3: Cross multiply
    189,357.85x = 283,654.05 × 118,061.65
  4. Step 4: Simplify right side
    189,357.85x = 33,488,665,172.18
  5. Step 5: Solve for x
    x = 33,488,665,172.18/189,357.85
  6. Step 6: Final answer
    x = 176,853.85

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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.