Home / 132,683.76-183,104.28-76,109.04

Finding the Fourth Proportional to 132,683.76, 183,104.28 and 76,109.04

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Solution

The fourth proportional to 132,683.76, 183,104.28 and 76,109.04 is: 105,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,683.76 : 183,104.28 = 76,109.04 : x
  2. Step 2: Convert to fraction form
    132,683.76/183,104.28 = 76,109.04/x
  3. Step 3: Cross multiply
    132,683.76x = 183,104.28 × 76,109.04
  4. Step 4: Simplify right side
    132,683.76x = 13,935,890,970.69
  5. Step 5: Solve for x
    x = 13,935,890,970.69/132,683.76
  6. Step 6: Final answer
    x = 105,030.87

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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.