Home / 231,242.80-346,475.40-191,585.20

Finding the Fourth Proportional to 231,242.80, 346,475.40 and 191,585.20

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Solution

The fourth proportional to 231,242.80, 346,475.40 and 191,585.20 is: 287,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,242.80 : 346,475.40 = 191,585.20 : x
  2. Step 2: Convert to fraction form
    231,242.80/346,475.40 = 191,585.20/x
  3. Step 3: Cross multiply
    231,242.80x = 346,475.40 × 191,585.20
  4. Step 4: Simplify right side
    231,242.80x = 66,379,558,804.08
  5. Step 5: Solve for x
    x = 66,379,558,804.08/231,242.80
  6. Step 6: Final answer
    x = 287,055.68

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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.