Home / 351,005.10-526,507.65-191,572.80

Finding the Fourth Proportional to 351,005.10, 526,507.65 and 191,572.80

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Solution

The fourth proportional to 351,005.10, 526,507.65 and 191,572.80 is: 287,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,005.10 : 526,507.65 = 191,572.80 : x
  2. Step 2: Convert to fraction form
    351,005.10/526,507.65 = 191,572.80/x
  3. Step 3: Cross multiply
    351,005.10x = 526,507.65 × 191,572.80
  4. Step 4: Simplify right side
    351,005.10x = 100,864,544,731.92
  5. Step 5: Solve for x
    x = 100,864,544,731.92/351,005.10
  6. Step 6: Final answer
    x = 287,359.20

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1.5x scale

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.