Home / 105,665.55-158,508.12-38,214.45

Finding the Fourth Proportional to 105,665.55, 158,508.12 and 38,214.45

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Solution

The fourth proportional to 105,665.55, 158,508.12 and 38,214.45 is: 57,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,665.55 : 158,508.12 = 38,214.45 : x
  2. Step 2: Convert to fraction form
    105,665.55/158,508.12 = 38,214.45/x
  3. Step 3: Cross multiply
    105,665.55x = 158,508.12 × 38,214.45
  4. Step 4: Simplify right side
    105,665.55x = 6,057,300,626.33
  5. Step 5: Solve for x
    x = 6,057,300,626.33/105,665.55
  6. Step 6: Final answer
    x = 57,325.22

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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.