Home / 127,823.74-176,409.93-76,853.14

Finding the Fourth Proportional to 127,823.74, 176,409.93 and 76,853.14

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Solution

The fourth proportional to 127,823.74, 176,409.93 and 76,853.14 is: 106,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,823.74 : 176,409.93 = 76,853.14 : x
  2. Step 2: Convert to fraction form
    127,823.74/176,409.93 = 76,853.14/x
  3. Step 3: Cross multiply
    127,823.74x = 176,409.93 × 76,853.14
  4. Step 4: Simplify right side
    127,823.74x = 13,557,657,047.68
  5. Step 5: Solve for x
    x = 13,557,657,047.68/127,823.74
  6. Step 6: Final answer
    x = 106,065.25

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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.