Home / 303,946.10-455,263.05-197,657.90

Finding the Fourth Proportional to 303,946.10, 455,263.05 and 197,657.90

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Solution

The fourth proportional to 303,946.10, 455,263.05 and 197,657.90 is: 296,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,946.10 : 455,263.05 = 197,657.90 : x
  2. Step 2: Convert to fraction form
    303,946.10/455,263.05 = 197,657.90/x
  3. Step 3: Cross multiply
    303,946.10x = 455,263.05 × 197,657.90
  4. Step 4: Simplify right side
    303,946.10x = 89,986,338,410.60
  5. Step 5: Solve for x
    x = 89,986,338,410.60/303,946.10
  6. Step 6: Final answer
    x = 296,060.18

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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.