Home / 353,329.20-487,602.32-192,192.86

Finding the Fourth Proportional to 353,329.20, 487,602.32 and 192,192.86

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Solution

The fourth proportional to 353,329.20, 487,602.32 and 192,192.86 is: 265,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,329.20 : 487,602.32 = 192,192.86 : x
  2. Step 2: Convert to fraction form
    353,329.20/487,602.32 = 192,192.86/x
  3. Step 3: Cross multiply
    353,329.20x = 487,602.32 × 192,192.86
  4. Step 4: Simplify right side
    353,329.20x = 93,713,684,681.48
  5. Step 5: Solve for x
    x = 93,713,684,681.48/353,329.20
  6. Step 6: Final answer
    x = 265,230.51

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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.