Home / 353,022.76-487,176.30-191,877.72

Finding the Fourth Proportional to 353,022.76, 487,176.30 and 191,877.72

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Solution

The fourth proportional to 353,022.76, 487,176.30 and 191,877.72 is: 264,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,022.76 : 487,176.30 = 191,877.72 : x
  2. Step 2: Convert to fraction form
    353,022.76/487,176.30 = 191,877.72/x
  3. Step 3: Cross multiply
    353,022.76x = 487,176.30 × 191,877.72
  4. Step 4: Simplify right side
    353,022.76x = 93,478,277,682.04
  5. Step 5: Solve for x
    x = 93,478,277,682.04/353,022.76
  6. Step 6: Final answer
    x = 264,793.91

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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.