Home / 163,821.40-226,018.96-133,554.52

Finding the Fourth Proportional to 163,821.40, 226,018.96 and 133,554.52

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Solution

The fourth proportional to 163,821.40, 226,018.96 and 133,554.52 is: 184,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,821.40 : 226,018.96 = 133,554.52 : x
  2. Step 2: Convert to fraction form
    163,821.40/226,018.96 = 133,554.52/x
  3. Step 3: Cross multiply
    163,821.40x = 226,018.96 × 133,554.52
  4. Step 4: Simplify right side
    163,821.40x = 30,185,853,713.70
  5. Step 5: Solve for x
    x = 30,185,853,713.70/163,821.40
  6. Step 6: Final answer
    x = 184,260.75

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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.