Home / 147,406.24-203,426.05-83,754.82

Finding the Fourth Proportional to 147,406.24, 203,426.05 and 83,754.82

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Solution

The fourth proportional to 147,406.24, 203,426.05 and 83,754.82 is: 115,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,406.24 : 203,426.05 = 83,754.82 : x
  2. Step 2: Convert to fraction form
    147,406.24/203,426.05 = 83,754.82/x
  3. Step 3: Cross multiply
    147,406.24x = 203,426.05 × 83,754.82
  4. Step 4: Simplify right side
    147,406.24x = 17,037,911,183.93
  5. Step 5: Solve for x
    x = 17,037,911,183.93/147,406.24
  6. Step 6: Final answer
    x = 115,584.74

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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.