Home / 177,901.25-245,653.32-127,069.91

Finding the Fourth Proportional to 177,901.25, 245,653.32 and 127,069.91

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Solution

The fourth proportional to 177,901.25, 245,653.32 and 127,069.91 is: 175,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,901.25 : 245,653.32 = 127,069.91 : x
  2. Step 2: Convert to fraction form
    177,901.25/245,653.32 = 127,069.91/x
  3. Step 3: Cross multiply
    177,901.25x = 245,653.32 × 127,069.91
  4. Step 4: Simplify right side
    177,901.25x = 31,215,143,399.99
  5. Step 5: Solve for x
    x = 31,215,143,399.99/177,901.25
  6. Step 6: Final answer
    x = 175,463.32

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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.