Home / 252,618.06-348,612.87-139,440.78

Finding the Fourth Proportional to 252,618.06, 348,612.87 and 139,440.78

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Solution

The fourth proportional to 252,618.06, 348,612.87 and 139,440.78 is: 192,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,618.06 : 348,612.87 = 139,440.78 : x
  2. Step 2: Convert to fraction form
    252,618.06/348,612.87 = 139,440.78/x
  3. Step 3: Cross multiply
    252,618.06x = 348,612.87 × 139,440.78
  4. Step 4: Simplify right side
    252,618.06x = 48,610,850,510.84
  5. Step 5: Solve for x
    x = 48,610,850,510.84/252,618.06
  6. Step 6: Final answer
    x = 192,428.25

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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.