Home / 127,823.48-176,409.52-76,852.81

Finding the Fourth Proportional to 127,823.48, 176,409.52 and 76,852.81

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Solution

The fourth proportional to 127,823.48, 176,409.52 and 76,852.81 is: 106,064.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,823.48 : 176,409.52 = 76,852.81 : x
  2. Step 2: Convert to fraction form
    127,823.48/176,409.52 = 76,852.81/x
  3. Step 3: Cross multiply
    127,823.48x = 176,409.52 × 76,852.81
  4. Step 4: Simplify right side
    127,823.48x = 13,557,566,689.60
  5. Step 5: Solve for x
    x = 13,557,566,689.60/127,823.48
  6. Step 6: Final answer
    x = 106,064.76

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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.