Home / 128,454.41-192,432.37-94,659.12

Finding the Fourth Proportional to 128,454.41, 192,432.37 and 94,659.12

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Solution

The fourth proportional to 128,454.41, 192,432.37 and 94,659.12 is: 141,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,454.41 : 192,432.37 = 94,659.12 : x
  2. Step 2: Convert to fraction form
    128,454.41/192,432.37 = 94,659.12/x
  3. Step 3: Cross multiply
    128,454.41x = 192,432.37 × 94,659.12
  4. Step 4: Simplify right side
    128,454.41x = 18,215,478,803.71
  5. Step 5: Solve for x
    x = 18,215,478,803.71/128,454.41
  6. Step 6: Final answer
    x = 141,805.01

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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.