Home / 353,035.90-487,192.49-191,890.92

Finding the Fourth Proportional to 353,035.90, 487,192.49 and 191,890.92

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Solution

The fourth proportional to 353,035.90, 487,192.49 and 191,890.92 is: 264,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,035.90 : 487,192.49 = 191,890.92 : x
  2. Step 2: Convert to fraction form
    353,035.90/487,192.49 = 191,890.92/x
  3. Step 3: Cross multiply
    353,035.90x = 487,192.49 × 191,890.92
  4. Step 4: Simplify right side
    353,035.90x = 93,487,816,710.30
  5. Step 5: Solve for x
    x = 93,487,816,710.30/353,035.90
  6. Step 6: Final answer
    x = 264,811.08

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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.