Home / 107,471.22-148,298.50-62,142.34

Finding the Fourth Proportional to 107,471.22, 148,298.50 and 62,142.34

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Solution

The fourth proportional to 107,471.22, 148,298.50 and 62,142.34 is: 85,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,471.22 : 148,298.50 = 62,142.34 : x
  2. Step 2: Convert to fraction form
    107,471.22/148,298.50 = 62,142.34/x
  3. Step 3: Cross multiply
    107,471.22x = 148,298.50 × 62,142.34
  4. Step 4: Simplify right side
    107,471.22x = 9,215,615,808.49
  5. Step 5: Solve for x
    x = 9,215,615,808.49/107,471.22
  6. Step 6: Final answer
    x = 85,749.62

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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.