Home / 178,432.96-245,619.36-154,222.80

Finding the Fourth Proportional to 178,432.96, 245,619.36 and 154,222.80

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Solution

The fourth proportional to 178,432.96, 245,619.36 and 154,222.80 is: 212,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,432.96 : 245,619.36 = 154,222.80 : x
  2. Step 2: Convert to fraction form
    178,432.96/245,619.36 = 154,222.80/x
  3. Step 3: Cross multiply
    178,432.96x = 245,619.36 × 154,222.80
  4. Step 4: Simplify right side
    178,432.96x = 37,880,105,433.41
  5. Step 5: Solve for x
    x = 37,880,105,433.41/178,432.96
  6. Step 6: Final answer
    x = 212,293.21

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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.