Home / 149,635.10-224,326.32-69,631.70

Finding the Fourth Proportional to 149,635.10, 224,326.32 and 69,631.70

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Solution

The fourth proportional to 149,635.10, 224,326.32 and 69,631.70 is: 104,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,635.10 : 224,326.32 = 69,631.70 : x
  2. Step 2: Convert to fraction form
    149,635.10/224,326.32 = 69,631.70/x
  3. Step 3: Cross multiply
    149,635.10x = 224,326.32 × 69,631.70
  4. Step 4: Simplify right side
    149,635.10x = 15,620,221,894.71
  5. Step 5: Solve for x
    x = 15,620,221,894.71/149,635.10
  6. Step 6: Final answer
    x = 104,388.76

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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.