Home / 169,907.50-234,126.84-131,433.40

Finding the Fourth Proportional to 169,907.50, 234,126.84 and 131,433.40

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Solution

The fourth proportional to 169,907.50, 234,126.84 and 131,433.40 is: 181,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,907.50 : 234,126.84 = 131,433.40 : x
  2. Step 2: Convert to fraction form
    169,907.50/234,126.84 = 131,433.40/x
  3. Step 3: Cross multiply
    169,907.50x = 234,126.84 × 131,433.40
  4. Step 4: Simplify right side
    169,907.50x = 30,772,086,612.46
  5. Step 5: Solve for x
    x = 30,772,086,612.46/169,907.50
  6. Step 6: Final answer
    x = 181,110.82

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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.