Home / 219,025.90-328,538.85-149,041.90

Finding the Fourth Proportional to 219,025.90, 328,538.85 and 149,041.90

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Solution

The fourth proportional to 219,025.90, 328,538.85 and 149,041.90 is: 223,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,025.90 : 328,538.85 = 149,041.90 : x
  2. Step 2: Convert to fraction form
    219,025.90/328,538.85 = 149,041.90/x
  3. Step 3: Cross multiply
    219,025.90x = 328,538.85 × 149,041.90
  4. Step 4: Simplify right side
    219,025.90x = 48,966,054,427.82
  5. Step 5: Solve for x
    x = 48,966,054,427.82/219,025.90
  6. Step 6: Final answer
    x = 223,562.85

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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.