Home / 163,157.28-225,227.70-152,943.72

Finding the Fourth Proportional to 163,157.28, 225,227.70 and 152,943.72

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Solution

The fourth proportional to 163,157.28, 225,227.70 and 152,943.72 is: 211,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,157.28 : 225,227.70 = 152,943.72 : x
  2. Step 2: Convert to fraction form
    163,157.28/225,227.70 = 152,943.72/x
  3. Step 3: Cross multiply
    163,157.28x = 225,227.70 × 152,943.72
  4. Step 4: Simplify right side
    163,157.28x = 34,447,162,285.04
  5. Step 5: Solve for x
    x = 34,447,162,285.04/163,157.28
  6. Step 6: Final answer
    x = 211,128.56

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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.