Home / 132,817.17-183,282.30-72,386.58

Finding the Fourth Proportional to 132,817.17, 183,282.30 and 72,386.58

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Solution

The fourth proportional to 132,817.17, 183,282.30 and 72,386.58 is: 99,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,817.17 : 183,282.30 = 72,386.58 : x
  2. Step 2: Convert to fraction form
    132,817.17/183,282.30 = 72,386.58/x
  3. Step 3: Cross multiply
    132,817.17x = 183,282.30 × 72,386.58
  4. Step 4: Simplify right side
    132,817.17x = 13,267,178,871.53
  5. Step 5: Solve for x
    x = 13,267,178,871.53/132,817.17
  6. Step 6: Final answer
    x = 99,890.54

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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.