Home / 276,440.71-381,341.86-190,250.05

Finding the Fourth Proportional to 276,440.71, 381,341.86 and 190,250.05

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Solution

The fourth proportional to 276,440.71, 381,341.86 and 190,250.05 is: 262,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,440.71 : 381,341.86 = 190,250.05 : x
  2. Step 2: Convert to fraction form
    276,440.71/381,341.86 = 190,250.05/x
  3. Step 3: Cross multiply
    276,440.71x = 381,341.86 × 190,250.05
  4. Step 4: Simplify right side
    276,440.71x = 72,550,306,980.84
  5. Step 5: Solve for x
    x = 72,550,306,980.84/276,440.71
  6. Step 6: Final answer
    x = 262,444.37

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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.