Home / 127,823.73-176,409.86-76,853.06

Finding the Fourth Proportional to 127,823.73, 176,409.86 and 76,853.06

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Solution

The fourth proportional to 127,823.73, 176,409.86 and 76,853.06 is: 106,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,823.73 : 176,409.86 = 76,853.06 : x
  2. Step 2: Convert to fraction form
    127,823.73/176,409.86 = 76,853.06/x
  3. Step 3: Cross multiply
    127,823.73x = 176,409.86 × 76,853.06
  4. Step 4: Simplify right side
    127,823.73x = 13,557,637,555.17
  5. Step 5: Solve for x
    x = 13,557,637,555.17/127,823.73
  6. Step 6: Final answer
    x = 106,065.11

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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.