Home / 147,622.50-220,974.48-142,898.58

Finding the Fourth Proportional to 147,622.50, 220,974.48 and 142,898.58

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Solution

The fourth proportional to 147,622.50, 220,974.48 and 142,898.58 is: 213,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622.50 : 220,974.48 = 142,898.58 : x
  2. Step 2: Convert to fraction form
    147,622.50/220,974.48 = 142,898.58/x
  3. Step 3: Cross multiply
    147,622.50x = 220,974.48 × 142,898.58
  4. Step 4: Simplify right side
    147,622.50x = 31,576,939,408.24
  5. Step 5: Solve for x
    x = 31,576,939,408.24/147,622.50
  6. Step 6: Final answer
    x = 213,903.30

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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.