Home / 446,038.40-669,057.60-146,565.20

Finding the Fourth Proportional to 446,038.40, 669,057.60 and 146,565.20

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Solution

The fourth proportional to 446,038.40, 669,057.60 and 146,565.20 is: 219,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,038.40 : 669,057.60 = 146,565.20 : x
  2. Step 2: Convert to fraction form
    446,038.40/669,057.60 = 146,565.20/x
  3. Step 3: Cross multiply
    446,038.40x = 669,057.60 × 146,565.20
  4. Step 4: Simplify right side
    446,038.40x = 98,060,560,955.52
  5. Step 5: Solve for x
    x = 98,060,560,955.52/446,038.40
  6. Step 6: Final answer
    x = 219,847.80

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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.