Home / 127,348.36-175,730.44-73,636.86

Finding the Fourth Proportional to 127,348.36, 175,730.44 and 73,636.86

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Solution

The fourth proportional to 127,348.36, 175,730.44 and 73,636.86 is: 101,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,348.36 : 175,730.44 = 73,636.86 : x
  2. Step 2: Convert to fraction form
    127,348.36/175,730.44 = 73,636.86/x
  3. Step 3: Cross multiply
    127,348.36x = 175,730.44 × 73,636.86
  4. Step 4: Simplify right side
    127,348.36x = 12,940,237,808.02
  5. Step 5: Solve for x
    x = 12,940,237,808.02/127,348.36
  6. Step 6: Final answer
    x = 101,612.91

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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.