Home / 127,916.40-191,857.32-34,427.76

Finding the Fourth Proportional to 127,916.40, 191,857.32 and 34,427.76

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Solution

The fourth proportional to 127,916.40, 191,857.32 and 34,427.76 is: 51,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,916.40 : 191,857.32 = 34,427.76 : x
  2. Step 2: Convert to fraction form
    127,916.40/191,857.32 = 34,427.76/x
  3. Step 3: Cross multiply
    127,916.40x = 191,857.32 × 34,427.76
  4. Step 4: Simplify right side
    127,916.40x = 6,605,217,767.20
  5. Step 5: Solve for x
    x = 6,605,217,767.20/127,916.40
  6. Step 6: Final answer
    x = 51,636.99

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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.