Home / 143,479.17-197,883.35-127,358.25

Finding the Fourth Proportional to 143,479.17, 197,883.35 and 127,358.25

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Solution

The fourth proportional to 143,479.17, 197,883.35 and 127,358.25 is: 175,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,479.17 : 197,883.35 = 127,358.25 : x
  2. Step 2: Convert to fraction form
    143,479.17/197,883.35 = 127,358.25/x
  3. Step 3: Cross multiply
    143,479.17x = 197,883.35 × 127,358.25
  4. Step 4: Simplify right side
    143,479.17x = 25,202,076,523.35
  5. Step 5: Solve for x
    x = 25,202,076,523.35/143,479.17
  6. Step 6: Final answer
    x = 175,649.72

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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.