Home / 186,000.20-256,667.64-101,115.44

Finding the Fourth Proportional to 186,000.20, 256,667.64 and 101,115.44

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Solution

The fourth proportional to 186,000.20, 256,667.64 and 101,115.44 is: 139,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,000.20 : 256,667.64 = 101,115.44 : x
  2. Step 2: Convert to fraction form
    186,000.20/256,667.64 = 101,115.44/x
  3. Step 3: Cross multiply
    186,000.20x = 256,667.64 × 101,115.44
  4. Step 4: Simplify right side
    186,000.20x = 25,953,061,352.36
  5. Step 5: Solve for x
    x = 25,953,061,352.36/186,000.20
  6. Step 6: Final answer
    x = 139,532.44

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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.