Home / 170,830.42-256,270.13-52,511.69

Finding the Fourth Proportional to 170,830.42, 256,270.13 and 52,511.69

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Solution

The fourth proportional to 170,830.42, 256,270.13 and 52,511.69 is: 78,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,830.42 : 256,270.13 = 52,511.69 : x
  2. Step 2: Convert to fraction form
    170,830.42/256,270.13 = 52,511.69/x
  3. Step 3: Cross multiply
    170,830.42x = 256,270.13 × 52,511.69
  4. Step 4: Simplify right side
    170,830.42x = 13,457,178,197.86
  5. Step 5: Solve for x
    x = 13,457,178,197.86/170,830.42
  6. Step 6: Final answer
    x = 78,775.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.