Home / 283,495.04-391,204.58-156,170.64

Finding the Fourth Proportional to 283,495.04, 391,204.58 and 156,170.64

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Solution

The fourth proportional to 283,495.04, 391,204.58 and 156,170.64 is: 215,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,495.04 : 391,204.58 = 156,170.64 : x
  2. Step 2: Convert to fraction form
    283,495.04/391,204.58 = 156,170.64/x
  3. Step 3: Cross multiply
    283,495.04x = 391,204.58 × 156,170.64
  4. Step 4: Simplify right side
    283,495.04x = 61,094,669,629.53
  5. Step 5: Solve for x
    x = 61,094,669,629.53/283,495.04
  6. Step 6: Final answer
    x = 215,505.25

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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.