Home / 286,784.48-430,184.88-97,245.38

Finding the Fourth Proportional to 286,784.48, 430,184.88 and 97,245.38

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Solution

The fourth proportional to 286,784.48, 430,184.88 and 97,245.38 is: 145,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,784.48 : 430,184.88 = 97,245.38 : x
  2. Step 2: Convert to fraction form
    286,784.48/430,184.88 = 97,245.38/x
  3. Step 3: Cross multiply
    286,784.48x = 430,184.88 × 97,245.38
  4. Step 4: Simplify right side
    286,784.48x = 41,833,489,974.93
  5. Step 5: Solve for x
    x = 41,833,489,974.93/286,784.48
  6. Step 6: Final answer
    x = 145,870.83

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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.