Home / 127,756.44-176,303.88-74,072.64

Finding the Fourth Proportional to 127,756.44, 176,303.88 and 74,072.64

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Solution

The fourth proportional to 127,756.44, 176,303.88 and 74,072.64 is: 102,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,756.44 : 176,303.88 = 74,072.64 : x
  2. Step 2: Convert to fraction form
    127,756.44/176,303.88 = 74,072.64/x
  3. Step 3: Cross multiply
    127,756.44x = 176,303.88 × 74,072.64
  4. Step 4: Simplify right side
    127,756.44x = 13,059,293,833.84
  5. Step 5: Solve for x
    x = 13,059,293,833.84/127,756.44
  6. Step 6: Final answer
    x = 102,220.24

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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.