Home / 125,346.93-188,077.81-54,291.30

Finding the Fourth Proportional to 125,346.93, 188,077.81 and 54,291.30

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Solution

The fourth proportional to 125,346.93, 188,077.81 and 54,291.30 is: 81,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,346.93 : 188,077.81 = 54,291.30 : x
  2. Step 2: Convert to fraction form
    125,346.93/188,077.81 = 54,291.30/x
  3. Step 3: Cross multiply
    125,346.93x = 188,077.81 × 54,291.30
  4. Step 4: Simplify right side
    125,346.93x = 10,210,988,806.05
  5. Step 5: Solve for x
    x = 10,210,988,806.05/125,346.93
  6. Step 6: Final answer
    x = 81,461.82

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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.