Home / 134,462.40-201,693.60-119,428.80

Finding the Fourth Proportional to 134,462.40, 201,693.60 and 119,428.80

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Solution

The fourth proportional to 134,462.40, 201,693.60 and 119,428.80 is: 179,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,462.40 : 201,693.60 = 119,428.80 : x
  2. Step 2: Convert to fraction form
    134,462.40/201,693.60 = 119,428.80/x
  3. Step 3: Cross multiply
    134,462.40x = 201,693.60 × 119,428.80
  4. Step 4: Simplify right side
    134,462.40x = 24,088,024,615.68
  5. Step 5: Solve for x
    x = 24,088,024,615.68/134,462.40
  6. Step 6: Final answer
    x = 179,143.20

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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.