Home / 117,007.90-175,511.85-99,293.20

Finding the Fourth Proportional to 117,007.90, 175,511.85 and 99,293.20

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Solution

The fourth proportional to 117,007.90, 175,511.85 and 99,293.20 is: 148,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,007.90 : 175,511.85 = 99,293.20 : x
  2. Step 2: Convert to fraction form
    117,007.90/175,511.85 = 99,293.20/x
  3. Step 3: Cross multiply
    117,007.90x = 175,511.85 × 99,293.20
  4. Step 4: Simplify right side
    117,007.90x = 17,427,133,224.42
  5. Step 5: Solve for x
    x = 17,427,133,224.42/117,007.90
  6. Step 6: Final answer
    x = 148,939.80

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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.