Home / 245,965.29-369,144.77-127,670.46

Finding the Fourth Proportional to 245,965.29, 369,144.77 and 127,670.46

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Solution

The fourth proportional to 245,965.29, 369,144.77 and 127,670.46 is: 191,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,965.29 : 369,144.77 = 127,670.46 : x
  2. Step 2: Convert to fraction form
    245,965.29/369,144.77 = 127,670.46/x
  3. Step 3: Cross multiply
    245,965.29x = 369,144.77 × 127,670.46
  4. Step 4: Simplify right side
    245,965.29x = 47,128,883,005.36
  5. Step 5: Solve for x
    x = 47,128,883,005.36/245,965.29
  6. Step 6: Final answer
    x = 191,607.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.