Home / 292,568.83-438,678.10-121,584.36

Finding the Fourth Proportional to 292,568.83, 438,678.10 and 121,584.36

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Solution

The fourth proportional to 292,568.83, 438,678.10 and 121,584.36 is: 182,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,568.83 : 438,678.10 = 121,584.36 : x
  2. Step 2: Convert to fraction form
    292,568.83/438,678.10 = 121,584.36/x
  3. Step 3: Cross multiply
    292,568.83x = 438,678.10 × 121,584.36
  4. Step 4: Simplify right side
    292,568.83x = 53,336,396,034.52
  5. Step 5: Solve for x
    x = 53,336,396,034.52/292,568.83
  6. Step 6: Final answer
    x = 182,303.75

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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.