Home / 172,173.07-237,530.50-99,562.53

Finding the Fourth Proportional to 172,173.07, 237,530.50 and 99,562.53

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Solution

The fourth proportional to 172,173.07, 237,530.50 and 99,562.53 is: 137,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,173.07 : 237,530.50 = 99,562.53 : x
  2. Step 2: Convert to fraction form
    172,173.07/237,530.50 = 99,562.53/x
  3. Step 3: Cross multiply
    172,173.07x = 237,530.50 × 99,562.53
  4. Step 4: Simplify right side
    172,173.07x = 23,649,137,283.26
  5. Step 5: Solve for x
    x = 23,649,137,283.26/172,173.07
  6. Step 6: Final answer
    x = 137,356.77

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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.