Home / 118,304.21-177,484.57-39,419.12

Finding the Fourth Proportional to 118,304.21, 177,484.57 and 39,419.12

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Solution

The fourth proportional to 118,304.21, 177,484.57 and 39,419.12 is: 59,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,304.21 : 177,484.57 = 39,419.12 : x
  2. Step 2: Convert to fraction form
    118,304.21/177,484.57 = 39,419.12/x
  3. Step 3: Cross multiply
    118,304.21x = 177,484.57 × 39,419.12
  4. Step 4: Simplify right side
    118,304.21x = 6,996,285,908.14
  5. Step 5: Solve for x
    x = 6,996,285,908.14/118,304.21
  6. Step 6: Final answer
    x = 59,138.10

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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.