Home / 163,476.08-225,623.73-136,208.90

Finding the Fourth Proportional to 163,476.08, 225,623.73 and 136,208.90

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Solution

The fourth proportional to 163,476.08, 225,623.73 and 136,208.90 is: 187,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,476.08 : 225,623.73 = 136,208.90 : x
  2. Step 2: Convert to fraction form
    163,476.08/225,623.73 = 136,208.90/x
  3. Step 3: Cross multiply
    163,476.08x = 225,623.73 × 136,208.90
  4. Step 4: Simplify right side
    163,476.08x = 30,731,960,077.20
  5. Step 5: Solve for x
    x = 30,731,960,077.20/163,476.08
  6. Step 6: Final answer
    x = 187,990.56

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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.