Home / 153,815.09-230,646.64-47,173.48

Finding the Fourth Proportional to 153,815.09, 230,646.64 and 47,173.48

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Solution

The fourth proportional to 153,815.09, 230,646.64 and 47,173.48 is: 70,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,815.09 : 230,646.64 = 47,173.48 : x
  2. Step 2: Convert to fraction form
    153,815.09/230,646.64 = 47,173.48/x
  3. Step 3: Cross multiply
    153,815.09x = 230,646.64 × 47,173.48
  4. Step 4: Simplify right side
    153,815.09x = 10,880,404,701.70
  5. Step 5: Solve for x
    x = 10,880,404,701.70/153,815.09
  6. Step 6: Final answer
    x = 70,736.91

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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.