Home / 147,260.25-203,211.86-89,833.28

Finding the Fourth Proportional to 147,260.25, 203,211.86 and 89,833.28

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Solution

The fourth proportional to 147,260.25, 203,211.86 and 89,833.28 is: 123,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,260.25 : 203,211.86 = 89,833.28 : x
  2. Step 2: Convert to fraction form
    147,260.25/203,211.86 = 89,833.28/x
  3. Step 3: Cross multiply
    147,260.25x = 203,211.86 × 89,833.28
  4. Step 4: Simplify right side
    147,260.25x = 18,255,186,453.48
  5. Step 5: Solve for x
    x = 18,255,186,453.48/147,260.25
  6. Step 6: Final answer
    x = 123,965.47

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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.