Home / 116,616.08-174,527.76-86,960.36

Finding the Fourth Proportional to 116,616.08, 174,527.76 and 86,960.36

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Solution

The fourth proportional to 116,616.08, 174,527.76 and 86,960.36 is: 130,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,616.08 : 174,527.76 = 86,960.36 : x
  2. Step 2: Convert to fraction form
    116,616.08/174,527.76 = 86,960.36/x
  3. Step 3: Cross multiply
    116,616.08x = 174,527.76 × 86,960.36
  4. Step 4: Simplify right side
    116,616.08x = 15,176,996,839.59
  5. Step 5: Solve for x
    x = 15,176,996,839.59/116,616.08
  6. Step 6: Final answer
    x = 130,144.98

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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.