Home / 193,038.12-266,395.23-108,153.36

Finding the Fourth Proportional to 193,038.12, 266,395.23 and 108,153.36

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Solution

The fourth proportional to 193,038.12, 266,395.23 and 108,153.36 is: 149,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,038.12 : 266,395.23 = 108,153.36 : x
  2. Step 2: Convert to fraction form
    193,038.12/266,395.23 = 108,153.36/x
  3. Step 3: Cross multiply
    193,038.12x = 266,395.23 × 108,153.36
  4. Step 4: Simplify right side
    193,038.12x = 28,811,539,212.47
  5. Step 5: Solve for x
    x = 28,811,539,212.47/193,038.12
  6. Step 6: Final answer
    x = 149,253.11

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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.