Home / 127,919.40-191,861.82-34,430.76

Finding the Fourth Proportional to 127,919.40, 191,861.82 and 34,430.76

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Solution

The fourth proportional to 127,919.40, 191,861.82 and 34,430.76 is: 51,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,919.40 : 191,861.82 = 34,430.76 : x
  2. Step 2: Convert to fraction form
    127,919.40/191,861.82 = 34,430.76/x
  3. Step 3: Cross multiply
    127,919.40x = 191,861.82 × 34,430.76
  4. Step 4: Simplify right side
    127,919.40x = 6,605,948,277.58
  5. Step 5: Solve for x
    x = 6,605,948,277.58/127,919.40
  6. Step 6: Final answer
    x = 51,641.49

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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.