Home / 117,962.01-176,768.00-86,644.17

Finding the Fourth Proportional to 117,962.01, 176,768.00 and 86,644.17

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Solution

The fourth proportional to 117,962.01, 176,768.00 and 86,644.17 is: 129,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,962.01 : 176,768.00 = 86,644.17 : x
  2. Step 2: Convert to fraction form
    117,962.01/176,768.00 = 86,644.17/x
  3. Step 3: Cross multiply
    117,962.01x = 176,768.00 × 86,644.17
  4. Step 4: Simplify right side
    117,962.01x = 15,315,916,209.34
  5. Step 5: Solve for x
    x = 15,315,916,209.34/117,962.01
  6. Step 6: Final answer
    x = 129,837.70

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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.