Home / 127,627.21-191,426.30-34,140.25

Finding the Fourth Proportional to 127,627.21, 191,426.30 and 34,140.25

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Solution

The fourth proportional to 127,627.21, 191,426.30 and 34,140.25 is: 51,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,627.21 : 191,426.30 = 34,140.25 : x
  2. Step 2: Convert to fraction form
    127,627.21/191,426.30 = 34,140.25/x
  3. Step 3: Cross multiply
    127,627.21x = 191,426.30 × 34,140.25
  4. Step 4: Simplify right side
    127,627.21x = 6,535,341,738.58
  5. Step 5: Solve for x
    x = 6,535,341,738.58/127,627.21
  6. Step 6: Final answer
    x = 51,206.49

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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.