Home / 149,756.32-224,633.84-38,948

Finding the Fourth Proportional to 149,756.32, 224,633.84 and 38,948

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Solution

The fourth proportional to 149,756.32, 224,633.84 and 38,948 is: 58,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,756.32 : 224,633.84 = 38,948 : x
  2. Step 2: Convert to fraction form
    149,756.32/224,633.84 = 38,948/x
  3. Step 3: Cross multiply
    149,756.32x = 224,633.84 × 38,948
  4. Step 4: Simplify right side
    149,756.32x = 8,749,038,800.32
  5. Step 5: Solve for x
    x = 8,749,038,800.32/149,756.32
  6. Step 6: Final answer
    x = 58,421.83

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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.