Home / 125,346.65-188,077.39-54,291.02

Finding the Fourth Proportional to 125,346.65, 188,077.39 and 54,291.02

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Solution

The fourth proportional to 125,346.65, 188,077.39 and 54,291.02 is: 81,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,346.65 : 188,077.39 = 54,291.02 : x
  2. Step 2: Convert to fraction form
    125,346.65/188,077.39 = 54,291.02/x
  3. Step 3: Cross multiply
    125,346.65x = 188,077.39 × 54,291.02
  4. Step 4: Simplify right side
    125,346.65x = 10,210,912,433.16
  5. Step 5: Solve for x
    x = 10,210,912,433.16/125,346.65
  6. Step 6: Final answer
    x = 81,461.39

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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.