Home / 99,197.04-137,007.38-83,122.58

Finding the Fourth Proportional to 99,197.04, 137,007.38 and 83,122.58

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Solution

The fourth proportional to 99,197.04, 137,007.38 and 83,122.58 is: 114,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,197.04 : 137,007.38 = 83,122.58 : x
  2. Step 2: Convert to fraction form
    99,197.04/137,007.38 = 83,122.58/x
  3. Step 3: Cross multiply
    99,197.04x = 137,007.38 × 83,122.58
  4. Step 4: Simplify right side
    99,197.04x = 11,388,406,904.64
  5. Step 5: Solve for x
    x = 11,388,406,904.64/99,197.04
  6. Step 6: Final answer
    x = 114,805.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.