Home / 134,316.30-201,474.45-40,809.90

Finding the Fourth Proportional to 134,316.30, 201,474.45 and 40,809.90

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Solution

The fourth proportional to 134,316.30, 201,474.45 and 40,809.90 is: 61,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,316.30 : 201,474.45 = 40,809.90 : x
  2. Step 2: Convert to fraction form
    134,316.30/201,474.45 = 40,809.90/x
  3. Step 3: Cross multiply
    134,316.30x = 201,474.45 × 40,809.90
  4. Step 4: Simplify right side
    134,316.30x = 8,222,152,157.06
  5. Step 5: Solve for x
    x = 8,222,152,157.06/134,316.30
  6. Step 6: Final answer
    x = 61,214.85

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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.