Home / 146,031.96-201,560.76-82,406.40

Finding the Fourth Proportional to 146,031.96, 201,560.76 and 82,406.40

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Solution

The fourth proportional to 146,031.96, 201,560.76 and 82,406.40 is: 113,741.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,031.96 : 201,560.76 = 82,406.40 : x
  2. Step 2: Convert to fraction form
    146,031.96/201,560.76 = 82,406.40/x
  3. Step 3: Cross multiply
    146,031.96x = 201,560.76 × 82,406.40
  4. Step 4: Simplify right side
    146,031.96x = 16,609,896,612.86
  5. Step 5: Solve for x
    x = 16,609,896,612.86/146,031.96
  6. Step 6: Final answer
    x = 113,741.52

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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.