Home / 228,541.31-315,439.50-152,063.63

Finding the Fourth Proportional to 228,541.31, 315,439.50 and 152,063.63

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Solution

The fourth proportional to 228,541.31, 315,439.50 and 152,063.63 is: 209,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,541.31 : 315,439.50 = 152,063.63 : x
  2. Step 2: Convert to fraction form
    228,541.31/315,439.50 = 152,063.63/x
  3. Step 3: Cross multiply
    228,541.31x = 315,439.50 × 152,063.63
  4. Step 4: Simplify right side
    228,541.31x = 47,966,874,735.97
  5. Step 5: Solve for x
    x = 47,966,874,735.97/228,541.31
  6. Step 6: Final answer
    x = 209,882.73

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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.