Home / 286,528.14-429,791.76-76,166.10

Finding the Fourth Proportional to 286,528.14, 429,791.76 and 76,166.10

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Solution

The fourth proportional to 286,528.14, 429,791.76 and 76,166.10 is: 114,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,528.14 : 429,791.76 = 76,166.10 : x
  2. Step 2: Convert to fraction form
    286,528.14/429,791.76 = 76,166.10/x
  3. Step 3: Cross multiply
    286,528.14x = 429,791.76 × 76,166.10
  4. Step 4: Simplify right side
    286,528.14x = 32,735,562,171.34
  5. Step 5: Solve for x
    x = 32,735,562,171.34/286,528.14
  6. Step 6: Final answer
    x = 114,249.03

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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.