Home / 353,132.44-487,332.40-191,998.36

Finding the Fourth Proportional to 353,132.44, 487,332.40 and 191,998.36

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Solution

The fourth proportional to 353,132.44, 487,332.40 and 191,998.36 is: 264,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,132.44 : 487,332.40 = 191,998.36 : x
  2. Step 2: Convert to fraction form
    353,132.44/487,332.40 = 191,998.36/x
  3. Step 3: Cross multiply
    353,132.44x = 487,332.40 × 191,998.36
  4. Step 4: Simplify right side
    353,132.44x = 93,567,021,574.86
  5. Step 5: Solve for x
    x = 93,567,021,574.86/353,132.44
  6. Step 6: Final answer
    x = 264,962.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.