Home / 283,360.23-391,036.50-154,296.70

Finding the Fourth Proportional to 283,360.23, 391,036.50 and 154,296.70

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Solution

The fourth proportional to 283,360.23, 391,036.50 and 154,296.70 is: 212,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,360.23 : 391,036.50 = 154,296.70 : x
  2. Step 2: Convert to fraction form
    283,360.23/391,036.50 = 154,296.70/x
  3. Step 3: Cross multiply
    283,360.23x = 391,036.50 × 154,296.70
  4. Step 4: Simplify right side
    283,360.23x = 60,335,641,529.55
  5. Step 5: Solve for x
    x = 60,335,641,529.55/283,360.23
  6. Step 6: Final answer
    x = 212,929.11

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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.