Home / 153,936.30-230,904.45-54,209.10

Finding the Fourth Proportional to 153,936.30, 230,904.45 and 54,209.10

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Solution

The fourth proportional to 153,936.30, 230,904.45 and 54,209.10 is: 81,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,936.30 : 230,904.45 = 54,209.10 : x
  2. Step 2: Convert to fraction form
    153,936.30/230,904.45 = 54,209.10/x
  3. Step 3: Cross multiply
    153,936.30x = 230,904.45 × 54,209.10
  4. Step 4: Simplify right side
    153,936.30x = 12,517,122,420.50
  5. Step 5: Solve for x
    x = 12,517,122,420.50/153,936.30
  6. Step 6: Final answer
    x = 81,313.65

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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.