Home / 283,638.60-424,896.30-183,868.20

Finding the Fourth Proportional to 283,638.60, 424,896.30 and 183,868.20

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Solution

The fourth proportional to 283,638.60, 424,896.30 and 183,868.20 is: 275,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,638.60 : 424,896.30 = 183,868.20 : x
  2. Step 2: Convert to fraction form
    283,638.60/424,896.30 = 183,868.20/x
  3. Step 3: Cross multiply
    283,638.60x = 424,896.30 × 183,868.20
  4. Step 4: Simplify right side
    283,638.60x = 78,124,917,867.66
  5. Step 5: Solve for x
    x = 78,124,917,867.66/283,638.60
  6. Step 6: Final answer
    x = 275,438.24

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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.