Home / 283,628.54-391,415.58-156,312.33

Finding the Fourth Proportional to 283,628.54, 391,415.58 and 156,312.33

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Solution

The fourth proportional to 283,628.54, 391,415.58 and 156,312.33 is: 215,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,628.54 : 391,415.58 = 156,312.33 : x
  2. Step 2: Convert to fraction form
    283,628.54/391,415.58 = 156,312.33/x
  3. Step 3: Cross multiply
    283,628.54x = 391,415.58 × 156,312.33
  4. Step 4: Simplify right side
    283,628.54x = 61,183,081,308.10
  5. Step 5: Solve for x
    x = 61,183,081,308.10/283,628.54
  6. Step 6: Final answer
    x = 215,715.53

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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.