Home / 127,195.12-175,529.10-70,606.36

Finding the Fourth Proportional to 127,195.12, 175,529.10 and 70,606.36

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Solution

The fourth proportional to 127,195.12, 175,529.10 and 70,606.36 is: 97,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,195.12 : 175,529.10 = 70,606.36 : x
  2. Step 2: Convert to fraction form
    127,195.12/175,529.10 = 70,606.36/x
  3. Step 3: Cross multiply
    127,195.12x = 175,529.10 × 70,606.36
  4. Step 4: Simplify right side
    127,195.12x = 12,393,470,825.08
  5. Step 5: Solve for x
    x = 12,393,470,825.08/127,195.12
  6. Step 6: Final answer
    x = 97,436.68

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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.