Home / 127,843.02-176,415.37-70,479.36

Finding the Fourth Proportional to 127,843.02, 176,415.37 and 70,479.36

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Solution

The fourth proportional to 127,843.02, 176,415.37 and 70,479.36 is: 97,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,843.02 : 176,415.37 = 70,479.36 : x
  2. Step 2: Convert to fraction form
    127,843.02/176,415.37 = 70,479.36/x
  3. Step 3: Cross multiply
    127,843.02x = 176,415.37 × 70,479.36
  4. Step 4: Simplify right side
    127,843.02x = 12,433,642,195.56
  5. Step 5: Solve for x
    x = 12,433,642,195.56/127,843.02
  6. Step 6: Final answer
    x = 97,257.11

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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.