Home / 190,576.92-263,043.95-129,426.58

Finding the Fourth Proportional to 190,576.92, 263,043.95 and 129,426.58

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Solution

The fourth proportional to 190,576.92, 263,043.95 and 129,426.58 is: 178,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,576.92 : 263,043.95 = 129,426.58 : x
  2. Step 2: Convert to fraction form
    190,576.92/263,043.95 = 129,426.58/x
  3. Step 3: Cross multiply
    190,576.92x = 263,043.95 × 129,426.58
  4. Step 4: Simplify right side
    190,576.92x = 34,044,878,838.19
  5. Step 5: Solve for x
    x = 34,044,878,838.19/190,576.92
  6. Step 6: Final answer
    x = 178,641.14

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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.