Home / 132,975.02-183,505.24-72,545.64

Finding the Fourth Proportional to 132,975.02, 183,505.24 and 72,545.64

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Solution

The fourth proportional to 132,975.02, 183,505.24 and 72,545.64 is: 100,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,975.02 : 183,505.24 = 72,545.64 : x
  2. Step 2: Convert to fraction form
    132,975.02/183,505.24 = 72,545.64/x
  3. Step 3: Cross multiply
    132,975.02x = 183,505.24 × 72,545.64
  4. Step 4: Simplify right side
    132,975.02x = 13,312,505,079.15
  5. Step 5: Solve for x
    x = 13,312,505,079.15/132,975.02
  6. Step 6: Final answer
    x = 100,112.83

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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.