Home / 116,411.28-174,615.66-82,075.74

Finding the Fourth Proportional to 116,411.28, 174,615.66 and 82,075.74

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Solution

The fourth proportional to 116,411.28, 174,615.66 and 82,075.74 is: 123,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,411.28 : 174,615.66 = 82,075.74 : x
  2. Step 2: Convert to fraction form
    116,411.28/174,615.66 = 82,075.74/x
  3. Step 3: Cross multiply
    116,411.28x = 174,615.66 × 82,075.74
  4. Step 4: Simplify right side
    116,411.28x = 14,331,709,510.09
  5. Step 5: Solve for x
    x = 14,331,709,510.09/116,411.28
  6. Step 6: Final answer
    x = 123,112.72

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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.