Home / 355,275.24-532,996.74-115,388.40

Finding the Fourth Proportional to 355,275.24, 532,996.74 and 115,388.40

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Solution

The fourth proportional to 355,275.24, 532,996.74 and 115,388.40 is: 173,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,275.24 : 532,996.74 = 115,388.40 : x
  2. Step 2: Convert to fraction form
    355,275.24/532,996.74 = 115,388.40/x
  3. Step 3: Cross multiply
    355,275.24x = 532,996.74 × 115,388.40
  4. Step 4: Simplify right side
    355,275.24x = 61,501,641,033.82
  5. Step 5: Solve for x
    x = 61,501,641,033.82/355,275.24
  6. Step 6: Final answer
    x = 173,109.84

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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.