Home / 127,644.28-176,136.38-73,946.58

Finding the Fourth Proportional to 127,644.28, 176,136.38 and 73,946.58

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Solution

The fourth proportional to 127,644.28, 176,136.38 and 73,946.58 is: 102,038.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,644.28 : 176,136.38 = 73,946.58 : x
  2. Step 2: Convert to fraction form
    127,644.28/176,136.38 = 73,946.58/x
  3. Step 3: Cross multiply
    127,644.28x = 176,136.38 × 73,946.58
  4. Step 4: Simplify right side
    127,644.28x = 13,024,682,914.58
  5. Step 5: Solve for x
    x = 13,024,682,914.58/127,644.28
  6. Step 6: Final answer
    x = 102,038.91

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1.5x scale

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.