Home / 128,858.16-193,240.92-44,595.46

Finding the Fourth Proportional to 128,858.16, 193,240.92 and 44,595.46

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Solution

The fourth proportional to 128,858.16, 193,240.92 and 44,595.46 is: 66,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,858.16 : 193,240.92 = 44,595.46 : x
  2. Step 2: Convert to fraction form
    128,858.16/193,240.92 = 44,595.46/x
  3. Step 3: Cross multiply
    128,858.16x = 193,240.92 × 44,595.46
  4. Step 4: Simplify right side
    128,858.16x = 8,617,667,718.22
  5. Step 5: Solve for x
    x = 8,617,667,718.22/128,858.16
  6. Step 6: Final answer
    x = 66,877.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.