Home / 283,938.96-391,828.90-156,611.82

Finding the Fourth Proportional to 283,938.96, 391,828.90 and 156,611.82

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Solution

The fourth proportional to 283,938.96, 391,828.90 and 156,611.82 is: 216,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,938.96 : 391,828.90 = 156,611.82 : x
  2. Step 2: Convert to fraction form
    283,938.96/391,828.90 = 156,611.82/x
  3. Step 3: Cross multiply
    283,938.96x = 391,828.90 × 156,611.82
  4. Step 4: Simplify right side
    283,938.96x = 61,365,037,157.60
  5. Step 5: Solve for x
    x = 61,365,037,157.60/283,938.96
  6. Step 6: Final answer
    x = 216,120.53

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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.