Home / 114,508.96-158,023.92-85,777.72

Finding the Fourth Proportional to 114,508.96, 158,023.92 and 85,777.72

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Solution

The fourth proportional to 114,508.96, 158,023.92 and 85,777.72 is: 118,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,508.96 : 158,023.92 = 85,777.72 : x
  2. Step 2: Convert to fraction form
    114,508.96/158,023.92 = 85,777.72/x
  3. Step 3: Cross multiply
    114,508.96x = 158,023.92 × 85,777.72
  4. Step 4: Simplify right side
    114,508.96x = 13,554,931,563.06
  5. Step 5: Solve for x
    x = 13,554,931,563.06/114,508.96
  6. Step 6: Final answer
    x = 118,374.42

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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.