Home / 178,125.64-245,813.70-96,454.78

Finding the Fourth Proportional to 178,125.64, 245,813.70 and 96,454.78

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Solution

The fourth proportional to 178,125.64, 245,813.70 and 96,454.78 is: 133,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,125.64 : 245,813.70 = 96,454.78 : x
  2. Step 2: Convert to fraction form
    178,125.64/245,813.70 = 96,454.78/x
  3. Step 3: Cross multiply
    178,125.64x = 245,813.70 × 96,454.78
  4. Step 4: Simplify right side
    178,125.64x = 23,709,906,354.49
  5. Step 5: Solve for x
    x = 23,709,906,354.49/178,125.64
  6. Step 6: Final answer
    x = 133,107.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.