Home / 358,777.08-495,110.07-197,628.39

Finding the Fourth Proportional to 358,777.08, 495,110.07 and 197,628.39

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Solution

The fourth proportional to 358,777.08, 495,110.07 and 197,628.39 is: 272,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,777.08 : 495,110.07 = 197,628.39 : x
  2. Step 2: Convert to fraction form
    358,777.08/495,110.07 = 197,628.39/x
  3. Step 3: Cross multiply
    358,777.08x = 495,110.07 × 197,628.39
  4. Step 4: Simplify right side
    358,777.08x = 97,847,806,006.89
  5. Step 5: Solve for x
    x = 97,847,806,006.89/358,777.08
  6. Step 6: Final answer
    x = 272,725.91

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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.