Home / 127,148.74-175,473.21-73,443.58

Finding the Fourth Proportional to 127,148.74, 175,473.21 and 73,443.58

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Solution

The fourth proportional to 127,148.74, 175,473.21 and 73,443.58 is: 101,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,148.74 : 175,473.21 = 73,443.58 : x
  2. Step 2: Convert to fraction form
    127,148.74/175,473.21 = 73,443.58/x
  3. Step 3: Cross multiply
    127,148.74x = 175,473.21 × 73,443.58
  4. Step 4: Simplify right side
    127,148.74x = 12,887,380,736.49
  5. Step 5: Solve for x
    x = 12,887,380,736.49/127,148.74
  6. Step 6: Final answer
    x = 101,356.73

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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.