Home / 147,183.60-203,145.02-89,810.63

Finding the Fourth Proportional to 147,183.60, 203,145.02 and 89,810.63

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Solution

The fourth proportional to 147,183.60, 203,145.02 and 89,810.63 is: 123,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,183.60 : 203,145.02 = 89,810.63 : x
  2. Step 2: Convert to fraction form
    147,183.60/203,145.02 = 89,810.63/x
  3. Step 3: Cross multiply
    147,183.60x = 203,145.02 × 89,810.63
  4. Step 4: Simplify right side
    147,183.60x = 18,244,582,227.56
  5. Step 5: Solve for x
    x = 18,244,582,227.56/147,183.60
  6. Step 6: Final answer
    x = 123,957.98

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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.