Home / 179,988.48-248,033.28-129,592.32

Finding the Fourth Proportional to 179,988.48, 248,033.28 and 129,592.32

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Solution

The fourth proportional to 179,988.48, 248,033.28 and 129,592.32 is: 178,584.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,988.48 : 248,033.28 = 129,592.32 : x
  2. Step 2: Convert to fraction form
    179,988.48/248,033.28 = 129,592.32/x
  3. Step 3: Cross multiply
    179,988.48x = 248,033.28 × 129,592.32
  4. Step 4: Simplify right side
    179,988.48x = 32,143,208,192.41
  5. Step 5: Solve for x
    x = 32,143,208,192.41/179,988.48
  6. Step 6: Final answer
    x = 178,584.81

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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.