Home / 292,295.16-438,488.61-123,815.94

Finding the Fourth Proportional to 292,295.16, 438,488.61 and 123,815.94

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Solution

The fourth proportional to 292,295.16, 438,488.61 and 123,815.94 is: 185,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,295.16 : 438,488.61 = 123,815.94 : x
  2. Step 2: Convert to fraction form
    292,295.16/438,488.61 = 123,815.94/x
  3. Step 3: Cross multiply
    292,295.16x = 438,488.61 × 123,815.94
  4. Step 4: Simplify right side
    292,295.16x = 54,291,879,426.44
  5. Step 5: Solve for x
    x = 54,291,879,426.44/292,295.16
  6. Step 6: Final answer
    x = 185,743.34

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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.