Home / 286,186.26-429,279.39-99,197.76

Finding the Fourth Proportional to 286,186.26, 429,279.39 and 99,197.76

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Solution

The fourth proportional to 286,186.26, 429,279.39 and 99,197.76 is: 148,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,186.26 : 429,279.39 = 99,197.76 : x
  2. Step 2: Convert to fraction form
    286,186.26/429,279.39 = 99,197.76/x
  3. Step 3: Cross multiply
    286,186.26x = 429,279.39 × 99,197.76
  4. Step 4: Simplify right side
    286,186.26x = 42,583,553,902.17
  5. Step 5: Solve for x
    x = 42,583,553,902.17/286,186.26
  6. Step 6: Final answer
    x = 148,796.64

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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.