Home / 286,187.26-429,280.89-99,198.76

Finding the Fourth Proportional to 286,187.26, 429,280.89 and 99,198.76

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Solution

The fourth proportional to 286,187.26, 429,280.89 and 99,198.76 is: 148,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,187.26 : 429,280.89 = 99,198.76 : x
  2. Step 2: Convert to fraction form
    286,187.26/429,280.89 = 99,198.76/x
  3. Step 3: Cross multiply
    286,187.26x = 429,280.89 × 99,198.76
  4. Step 4: Simplify right side
    286,187.26x = 42,584,131,979.70
  5. Step 5: Solve for x
    x = 42,584,131,979.70/286,187.26
  6. Step 6: Final answer
    x = 148,798.14

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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.