Home / 174,732.72-261,654.36-115,479.60

Finding the Fourth Proportional to 174,732.72, 261,654.36 and 115,479.60

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Solution

The fourth proportional to 174,732.72, 261,654.36 and 115,479.60 is: 172,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,732.72 : 261,654.36 = 115,479.60 : x
  2. Step 2: Convert to fraction form
    174,732.72/261,654.36 = 115,479.60/x
  3. Step 3: Cross multiply
    174,732.72x = 261,654.36 × 115,479.60
  4. Step 4: Simplify right side
    174,732.72x = 30,215,740,831.06
  5. Step 5: Solve for x
    x = 30,215,740,831.06/174,732.72
  6. Step 6: Final answer
    x = 172,925.49

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1.5x scale

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.