Home / 186,213.42-256,979.88-101,335.86

Finding the Fourth Proportional to 186,213.42, 256,979.88 and 101,335.86

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Solution

The fourth proportional to 186,213.42, 256,979.88 and 101,335.86 is: 139,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,213.42 : 256,979.88 = 101,335.86 : x
  2. Step 2: Convert to fraction form
    186,213.42/256,979.88 = 101,335.86/x
  3. Step 3: Cross multiply
    186,213.42x = 256,979.88 × 101,335.86
  4. Step 4: Simplify right side
    186,213.42x = 26,041,277,142.50
  5. Step 5: Solve for x
    x = 26,041,277,142.50/186,213.42
  6. Step 6: Final answer
    x = 139,846.40

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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.