Home / 105,989.45-146,233.55-63,532.49

Finding the Fourth Proportional to 105,989.45, 146,233.55 and 63,532.49

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Solution

The fourth proportional to 105,989.45, 146,233.55 and 63,532.49 is: 87,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,989.45 : 146,233.55 = 63,532.49 : x
  2. Step 2: Convert to fraction form
    105,989.45/146,233.55 = 63,532.49/x
  3. Step 3: Cross multiply
    105,989.45x = 146,233.55 × 63,532.49
  4. Step 4: Simplify right side
    105,989.45x = 9,290,581,235.38
  5. Step 5: Solve for x
    x = 9,290,581,235.38/105,989.45
  6. Step 6: Final answer
    x = 87,655.72

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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.