Home / 147,625.56-203,708.52-86,362.74

Finding the Fourth Proportional to 147,625.56, 203,708.52 and 86,362.74

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Solution

The fourth proportional to 147,625.56, 203,708.52 and 86,362.74 is: 119,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,625.56 : 203,708.52 = 86,362.74 : x
  2. Step 2: Convert to fraction form
    147,625.56/203,708.52 = 86,362.74/x
  3. Step 3: Cross multiply
    147,625.56x = 203,708.52 × 86,362.74
  4. Step 4: Simplify right side
    147,625.56x = 17,592,825,948.54
  5. Step 5: Solve for x
    x = 17,592,825,948.54/147,625.56
  6. Step 6: Final answer
    x = 119,171.95

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1.5x scale

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.