Home / 127,609.02-176,100.44-71,033.76

Finding the Fourth Proportional to 127,609.02, 176,100.44 and 71,033.76

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Solution

The fourth proportional to 127,609.02, 176,100.44 and 71,033.76 is: 98,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,609.02 : 176,100.44 = 71,033.76 : x
  2. Step 2: Convert to fraction form
    127,609.02/176,100.44 = 71,033.76/x
  3. Step 3: Cross multiply
    127,609.02x = 176,100.44 × 71,033.76
  4. Step 4: Simplify right side
    127,609.02x = 12,509,076,390.85
  5. Step 5: Solve for x
    x = 12,509,076,390.85/127,609.02
  6. Step 6: Final answer
    x = 98,026.58

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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.