Home / 142,524.72-196,682.85-85,160.93

Finding the Fourth Proportional to 142,524.72, 196,682.85 and 85,160.93

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Solution

The fourth proportional to 142,524.72, 196,682.85 and 85,160.93 is: 117,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,524.72 : 196,682.85 = 85,160.93 : x
  2. Step 2: Convert to fraction form
    142,524.72/196,682.85 = 85,160.93/x
  3. Step 3: Cross multiply
    142,524.72x = 196,682.85 × 85,160.93
  4. Step 4: Simplify right side
    142,524.72x = 16,749,693,437.64
  5. Step 5: Solve for x
    x = 16,749,693,437.64/142,524.72
  6. Step 6: Final answer
    x = 117,521.32

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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.