Home / 252,490.53-348,444.23-139,320.57

Finding the Fourth Proportional to 252,490.53, 348,444.23 and 139,320.57

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Solution

The fourth proportional to 252,490.53, 348,444.23 and 139,320.57 is: 192,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,490.53 : 348,444.23 = 139,320.57 : x
  2. Step 2: Convert to fraction form
    252,490.53/348,444.23 = 139,320.57/x
  3. Step 3: Cross multiply
    252,490.53x = 348,444.23 × 139,320.57
  4. Step 4: Simplify right side
    252,490.53x = 48,545,448,736.81
  5. Step 5: Solve for x
    x = 48,545,448,736.81/252,490.53
  6. Step 6: Final answer
    x = 192,266.41

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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.