Home / 331,582.61-497,429.03-131,904.92

Finding the Fourth Proportional to 331,582.61, 497,429.03 and 131,904.92

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Solution

The fourth proportional to 331,582.61, 497,429.03 and 131,904.92 is: 197,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,582.61 : 497,429.03 = 131,904.92 : x
  2. Step 2: Convert to fraction form
    331,582.61/497,429.03 = 131,904.92/x
  3. Step 3: Cross multiply
    331,582.61x = 497,429.03 × 131,904.92
  4. Step 4: Simplify right side
    331,582.61x = 65,613,337,981.16
  5. Step 5: Solve for x
    x = 65,613,337,981.16/331,582.61
  6. Step 6: Final answer
    x = 197,879.31

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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.