Home / 222,519.80-333,875.70-129,105.40

Finding the Fourth Proportional to 222,519.80, 333,875.70 and 129,105.40

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Solution

The fourth proportional to 222,519.80, 333,875.70 and 129,105.40 is: 193,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,519.80 : 333,875.70 = 129,105.40 : x
  2. Step 2: Convert to fraction form
    222,519.80/333,875.70 = 129,105.40/x
  3. Step 3: Cross multiply
    222,519.80x = 333,875.70 × 129,105.40
  4. Step 4: Simplify right side
    222,519.80x = 43,105,155,798.78
  5. Step 5: Solve for x
    x = 43,105,155,798.78/222,519.80
  6. Step 6: Final answer
    x = 193,713.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.