Home / 127,434.11-191,150.33-43,253.56

Finding the Fourth Proportional to 127,434.11, 191,150.33 and 43,253.56

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Solution

The fourth proportional to 127,434.11, 191,150.33 and 43,253.56 is: 64,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,434.11 : 191,150.33 = 43,253.56 : x
  2. Step 2: Convert to fraction form
    127,434.11/191,150.33 = 43,253.56/x
  3. Step 3: Cross multiply
    127,434.11x = 191,150.33 × 43,253.56
  4. Step 4: Simplify right side
    127,434.11x = 8,267,931,897.93
  5. Step 5: Solve for x
    x = 8,267,931,897.93/127,434.11
  6. Step 6: Final answer
    x = 64,880.05

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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.