Home / 284,050.10-391,997.34-156,733.90

Finding the Fourth Proportional to 284,050.10, 391,997.34 and 156,733.90

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Solution

The fourth proportional to 284,050.10, 391,997.34 and 156,733.90 is: 216,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,050.10 : 391,997.34 = 156,733.90 : x
  2. Step 2: Convert to fraction form
    284,050.10/391,997.34 = 156,733.90/x
  3. Step 3: Cross multiply
    284,050.10x = 391,997.34 × 156,733.90
  4. Step 4: Simplify right side
    284,050.10x = 61,439,269,927.84
  5. Step 5: Solve for x
    x = 61,439,269,927.84/284,050.10
  6. Step 6: Final answer
    x = 216,297.30

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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.