Home / 127,332.10-191,738-94,286.26

Finding the Fourth Proportional to 127,332.10, 191,738 and 94,286.26

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Solution

The fourth proportional to 127,332.10, 191,738 and 94,286.26 is: 141,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,332.10 : 191,738 = 94,286.26 : x
  2. Step 2: Convert to fraction form
    127,332.10/191,738 = 94,286.26/x
  3. Step 3: Cross multiply
    127,332.10x = 191,738 × 94,286.26
  4. Step 4: Simplify right side
    127,332.10x = 18,078,258,919.88
  5. Step 5: Solve for x
    x = 18,078,258,919.88/127,332.10
  6. Step 6: Final answer
    x = 141,977.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.