Home / 283,789.08-391,628.70-156,466.80

Finding the Fourth Proportional to 283,789.08, 391,628.70 and 156,466.80

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Solution

The fourth proportional to 283,789.08, 391,628.70 and 156,466.80 is: 215,924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,789.08 : 391,628.70 = 156,466.80 : x
  2. Step 2: Convert to fraction form
    283,789.08/391,628.70 = 156,466.80/x
  3. Step 3: Cross multiply
    283,789.08x = 391,628.70 × 156,466.80
  4. Step 4: Simplify right side
    283,789.08x = 61,276,889,477.16
  5. Step 5: Solve for x
    x = 61,276,889,477.16/283,789.08
  6. Step 6: Final answer
    x = 215,924.06

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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.