Home / 149,711.70-224,567.55-143,806.80

Finding the Fourth Proportional to 149,711.70, 224,567.55 and 143,806.80

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Solution

The fourth proportional to 149,711.70, 224,567.55 and 143,806.80 is: 215,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,711.70 : 224,567.55 = 143,806.80 : x
  2. Step 2: Convert to fraction form
    149,711.70/224,567.55 = 143,806.80/x
  3. Step 3: Cross multiply
    149,711.70x = 224,567.55 × 143,806.80
  4. Step 4: Simplify right side
    149,711.70x = 32,294,340,749.34
  5. Step 5: Solve for x
    x = 32,294,340,749.34/149,711.70
  6. Step 6: Final answer
    x = 215,710.20

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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.