Home / 127,806.18-176,466.36-82,510.56

Finding the Fourth Proportional to 127,806.18, 176,466.36 and 82,510.56

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Solution

The fourth proportional to 127,806.18, 176,466.36 and 82,510.56 is: 113,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,806.18 : 176,466.36 = 82,510.56 : x
  2. Step 2: Convert to fraction form
    127,806.18/176,466.36 = 82,510.56/x
  3. Step 3: Cross multiply
    127,806.18x = 176,466.36 × 82,510.56
  4. Step 4: Simplify right side
    127,806.18x = 14,560,338,184.76
  5. Step 5: Solve for x
    x = 14,560,338,184.76/127,806.18
  6. Step 6: Final answer
    x = 113,925.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.