Home / 105,432.49-158,156.84-30,553.66

Finding the Fourth Proportional to 105,432.49, 158,156.84 and 30,553.66

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Solution

The fourth proportional to 105,432.49, 158,156.84 and 30,553.66 is: 45,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,432.49 : 158,156.84 = 30,553.66 : x
  2. Step 2: Convert to fraction form
    105,432.49/158,156.84 = 30,553.66/x
  3. Step 3: Cross multiply
    105,432.49x = 158,156.84 × 30,553.66
  4. Step 4: Simplify right side
    105,432.49x = 4,832,270,316.03
  5. Step 5: Solve for x
    x = 4,832,270,316.03/105,432.49
  6. Step 6: Final answer
    x = 45,832.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.