Home / 136,253.12-188,030.55-75,826.31

Finding the Fourth Proportional to 136,253.12, 188,030.55 and 75,826.31

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Solution

The fourth proportional to 136,253.12, 188,030.55 and 75,826.31 is: 104,641.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,253.12 : 188,030.55 = 75,826.31 : x
  2. Step 2: Convert to fraction form
    136,253.12/188,030.55 = 75,826.31/x
  3. Step 3: Cross multiply
    136,253.12x = 188,030.55 × 75,826.31
  4. Step 4: Simplify right side
    136,253.12x = 14,257,661,833.62
  5. Step 5: Solve for x
    x = 14,257,661,833.62/136,253.12
  6. Step 6: Final answer
    x = 104,641.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.