Home / 132,864.75-183,360.65-76,279.77

Finding the Fourth Proportional to 132,864.75, 183,360.65 and 76,279.77

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Solution

The fourth proportional to 132,864.75, 183,360.65 and 76,279.77 is: 105,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,864.75 : 183,360.65 = 76,279.77 : x
  2. Step 2: Convert to fraction form
    132,864.75/183,360.65 = 76,279.77/x
  3. Step 3: Cross multiply
    132,864.75x = 183,360.65 × 76,279.77
  4. Step 4: Simplify right side
    132,864.75x = 13,986,707,827.65
  5. Step 5: Solve for x
    x = 13,986,707,827.65/132,864.75
  6. Step 6: Final answer
    x = 105,270.27

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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.