Home / 286,938.40-396,006.48-166,077.76

Finding the Fourth Proportional to 286,938.40, 396,006.48 and 166,077.76

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Solution

The fourth proportional to 286,938.40, 396,006.48 and 166,077.76 is: 229,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,938.40 : 396,006.48 = 166,077.76 : x
  2. Step 2: Convert to fraction form
    286,938.40/396,006.48 = 166,077.76/x
  3. Step 3: Cross multiply
    286,938.40x = 396,006.48 × 166,077.76
  4. Step 4: Simplify right side
    286,938.40x = 65,767,869,143.88
  5. Step 5: Solve for x
    x = 65,767,869,143.88/286,938.40
  6. Step 6: Final answer
    x = 229,205.53

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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.