Home / 252,490.14-348,443.67-139,320.18

Finding the Fourth Proportional to 252,490.14, 348,443.67 and 139,320.18

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Solution

The fourth proportional to 252,490.14, 348,443.67 and 139,320.18 is: 192,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,490.14 : 348,443.67 = 139,320.18 : x
  2. Step 2: Convert to fraction form
    252,490.14/348,443.67 = 139,320.18/x
  3. Step 3: Cross multiply
    252,490.14x = 348,443.67 × 139,320.18
  4. Step 4: Simplify right side
    252,490.14x = 48,545,234,824.26
  5. Step 5: Solve for x
    x = 48,545,234,824.26/252,490.14
  6. Step 6: Final answer
    x = 192,265.86

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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.