Home / 127,856.46-191,806.26-39,089.17

Finding the Fourth Proportional to 127,856.46, 191,806.26 and 39,089.17

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Solution

The fourth proportional to 127,856.46, 191,806.26 and 39,089.17 is: 58,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,856.46 : 191,806.26 = 39,089.17 : x
  2. Step 2: Convert to fraction form
    127,856.46/191,806.26 = 39,089.17/x
  3. Step 3: Cross multiply
    127,856.46x = 191,806.26 × 39,089.17
  4. Step 4: Simplify right side
    127,856.46x = 7,497,547,504.20
  5. Step 5: Solve for x
    x = 7,497,547,504.20/127,856.46
  6. Step 6: Final answer
    x = 58,640.35

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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.