Home / 134,436.40-201,654.60-113,441.20

Finding the Fourth Proportional to 134,436.40, 201,654.60 and 113,441.20

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Solution

The fourth proportional to 134,436.40, 201,654.60 and 113,441.20 is: 170,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,436.40 : 201,654.60 = 113,441.20 : x
  2. Step 2: Convert to fraction form
    134,436.40/201,654.60 = 113,441.20/x
  3. Step 3: Cross multiply
    134,436.40x = 201,654.60 × 113,441.20
  4. Step 4: Simplify right side
    134,436.40x = 22,875,939,809.52
  5. Step 5: Solve for x
    x = 22,875,939,809.52/134,436.40
  6. Step 6: Final answer
    x = 170,161.80

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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.