Home / 163,156.28-225,226.32-152,942.72

Finding the Fourth Proportional to 163,156.28, 225,226.32 and 152,942.72

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Solution

The fourth proportional to 163,156.28, 225,226.32 and 152,942.72 is: 211,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,156.28 : 225,226.32 = 152,942.72 : x
  2. Step 2: Convert to fraction form
    163,156.28/225,226.32 = 152,942.72/x
  3. Step 3: Cross multiply
    163,156.28x = 225,226.32 × 152,942.72
  4. Step 4: Simplify right side
    163,156.28x = 34,446,725,996.39
  5. Step 5: Solve for x
    x = 34,446,725,996.39/163,156.28
  6. Step 6: Final answer
    x = 211,127.18

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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.