Home / 353,040.86-487,197-191,895.46

Finding the Fourth Proportional to 353,040.86, 487,197 and 191,895.46

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Solution

The fourth proportional to 353,040.86, 487,197 and 191,895.46 is: 264,816.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,040.86 : 487,197 = 191,895.46 : x
  2. Step 2: Convert to fraction form
    353,040.86/487,197 = 191,895.46/x
  3. Step 3: Cross multiply
    353,040.86x = 487,197 × 191,895.46
  4. Step 4: Simplify right side
    353,040.86x = 93,490,892,425.62
  5. Step 5: Solve for x
    x = 93,490,892,425.62/353,040.86
  6. Step 6: Final answer
    x = 264,816.07

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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.